42996521136 has 20 divisors (see below), whose sum is σ = 111074346392. Its totient is φ = 14332173696.

The previous prime is 42996521129. The next prime is 42996521147. The reversal of 42996521136 is 63112569924.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 895760857 = 42996521136 / (4 + 2 + 9 + 9 + 6 + 5 + 2 + 1 + 1 + 3 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447880381 + ... + 447880476.

Almost surely, 2^42996521136 is an apocalyptic number.

It is an amenable number.

42996521136 is an abundant number, since it is smaller than the sum of its proper divisors (68077825256).

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

42996521136 is a wasteful number, since it uses less digits than its factorization.

42996521136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895760868 (or 895760862 counting only the distinct ones).

The product of its digits is 699840, while the sum is 48.

The spelling of 42996521136 in words is "forty-two billion, nine hundred ninety-six million, five hundred twenty-one thousand, one hundred thirty-six".