472457812140138 has 32 divisors (see below), whose sum is σ = 1030817815231680. Its totient is φ = 143168926959360.

The previous prime is 472457812140113. The next prime is 472457812140157. The reversal of 472457812140138 is 831041218754274.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174343248 + ... + 177032436.

It is an arithmetic number, because the mean of its divisors is an integer number (32213056725990).

Almost surely, 2^{472457812140138} is an apocalyptic number.

472457812140138 is an abundant number, since it is smaller than the sum of its proper divisors (558360003091542).

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

472457812140138 is a wasteful number, since it uses less digits than its factorization.

472457812140138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5351142.

The product of its (nonzero) digits is 12042240, while the sum is 57.

The spelling of 472457812140138 in words is "four hundred seventy-two trillion, four hundred fifty-seven billion, eight hundred twelve million, one hundred forty thousand, one hundred thirty-eight".