1042031040 has 112 divisors (see below), whose sum is σ = 3385523328. Its totient is φ = 271401984.

The previous prime is 1042031021. The next prime is 1042031047. The reversal of 1042031040 is 401302401.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042031047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28659 + ... + 53901.

Almost surely, 2^1042031040 is an apocalyptic number.

1042031040 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 1042031040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1692761664).

1042031040 is an abundant number, since it is smaller than the sum of its proper divisors (2343492288).

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

1042031040 is a wasteful number, since it uses less digits than its factorization.

1042031040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25306 (or 25296 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1042031040 is about 32280.5055722490. The cubic root of 1042031040 is about 1013.8185157347.

Adding to 1042031040 its reverse (401302401), we get a palindrome (1443333441).

The spelling of 1042031040 in words is "one billion, forty-two million, thirty-one thousand, forty".