472457553775538 has 16 divisors (see below), whose sum is σ = 708748390014720. Its totient is φ = 236208091064400.

The previous prime is 472457553775531. The next prime is 472457553775583. The reversal of 472457553775538 is 835577355754274.

It is a super-2 number, since 2×472457553775538² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (472457553775531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2081096453 + ... + 2081323463.

It is an arithmetic number, because the mean of its divisors is an integer number (44296774375920).

Almost surely, 2^{472457553775538} is an apocalyptic number.

472457553775538 is a deficient number, since it is larger than the sum of its proper divisors (236290836239182).

472457553775538 is a wasteful number, since it uses less digits than its factorization.

472457553775538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313553.

The product of its digits is 17287200000, while the sum is 77.

The spelling of 472457553775538 in words is "four hundred seventy-two trillion, four hundred fifty-seven billion, five hundred fifty-three million, seven hundred seventy-five thousand, five hundred thirty-eight".