42323455899904 has 81 divisors (see below), whose sum is σ = 84747330470257. Its totient is φ = 21095370340352.

The previous prime is 42323455899877. The next prime is 42323455899917. The reversal of 42323455899904 is 40999855432324.

The square root of 42323455899904 is 6505648.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1225714694400 + 41097741205504 = 1107120^2 + 6410752^2 .

It is a super-2 number, since 2×42323455899904² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42323455899904.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 64223756727 + ... + 64223757385.

Almost surely, 2^{42323455899904} is an apocalyptic number.

42323455899904 is the 6505648-th square number.

It is an amenable number.

42323455899904 is an abundant number, since it is smaller than the sum of its proper divisors (42423874570353).

42323455899904 is an frugal number, since it uses more digits than its factorization.

42323455899904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568 (or 1278 counting only the distinct ones).

The product of its (nonzero) digits is 335923200, while the sum is 67.

The spelling of 42323455899904 in words is "forty-two trillion, three hundred twenty-three billion, four hundred fifty-five million, eight hundred ninety-nine thousand, nine hundred four".