1039423056 has 160 divisors (see below), whose sum is σ = 3213508608. Its totient is φ = 283253760.

The previous prime is 1039423051. The next prime is 1039423117. The reversal of 1039423056 is 6503249301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1039423051) 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, 759685 + ... + 761051.

Almost surely, 2^1039423056 is an apocalyptic number.

1039423056 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 1039423056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1606754304).

1039423056 is an abundant number, since it is smaller than the sum of its proper divisors (2174085552).

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

1039423056 is a wasteful number, since it uses less digits than its factorization.

1039423056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489 (or 1483 counting only the distinct ones).

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

The square root of 1039423056 is about 32240.0846152736. The cubic root of 1039423056 is about 1012.9720178062.

The spelling of 1039423056 in words is "one billion, thirty-nine million, four hundred twenty-three thousand, fifty-six".