1042339056 has 80 divisors (see below), whose sum is σ = 2942156928. Its totient is φ = 315360000.

The previous prime is 1042339027. The next prime is 1042339057. The reversal of 1042339056 is 6509332401.

It is a super-2 number, since 2×1042339056² = 2172941415325942272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042339057) 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, 461931 + ... + 464181.

Almost surely, 2^1042339056 is an apocalyptic number.

1042339056 is a gapful number since it is divisible by the number (16) 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 1042339056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1471078464).

1042339056 is an abundant number, since it is smaller than the sum of its proper divisors (1899817872).

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

1042339056 is a wasteful number, since it uses less digits than its factorization.

1042339056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3150 (or 3144 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 1042339056 is about 32285.2761487338. The cubic root of 1042339056 is about 1013.9183980954.

The spelling of 1042339056 in words is "one billion, forty-two million, three hundred thirty-nine thousand, fifty-six".