1042494880 has 96 divisors (see below), whose sum is σ = 2861066880. Its totient is φ = 351544320.

The previous prime is 1042494863. The next prime is 1042494889. The reversal of 1042494880 is 884942401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (1042494889) 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, 60691 + ... + 75949.

It is an arithmetic number, because the mean of its divisors is an integer number (29802780).

Almost surely, 2^1042494880 is an apocalyptic number.

1042494880 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 1042494880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1430533440).

1042494880 is an abundant number, since it is smaller than the sum of its proper divisors (1818572000).

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

1042494880 is a wasteful number, since it uses less digits than its factorization.

1042494880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15342 (or 15334 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 1042494880 is about 32287.6892948381. The cubic root of 1042494880 is about 1013.9689206668.

The spelling of 1042494880 in words is "one billion, forty-two million, four hundred ninety-four thousand, eight hundred eighty".