1042046040 has 128 divisors (see below), whose sum is σ = 3579448320. Its totient is φ = 237734400.

The previous prime is 1042046039. The next prime is 1042046041. The reversal of 1042046040 is 406402401.

1042046040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1042046039) and next prime (1042046041).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1042045998 and 1042046016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042046041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 688885 + ... + 690395.

It is an arithmetic number, because the mean of its divisors is an integer number (27964440).

Almost surely, 2^1042046040 is an apocalyptic number.

1042046040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1042046040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1789724160).

1042046040 is an abundant number, since it is smaller than the sum of its proper divisors (2537402280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1042046040 is a wasteful number, since it uses less digits than its factorization.

1042046040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353 (or 2349 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1042046040 is about 32280.7379097814. The cubic root of 1042046040 is about 1013.8233803386.

Adding to 1042046040 its reverse (406402401), we get a palindrome (1448448441).

The spelling of 1042046040 in words is "one billion, forty-two million, forty-six thousand, forty".