140172462181632 has 36 divisors (see below), whose sum is σ = 373063167579200. Its totient is φ = 46724154060288.

The previous prime is 140172462181627. The next prime is 140172462181669. The reversal of 140172462181632 is 236181264271041.

It is a super-2 number, since 2×140172462181632² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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, 91258112632 + ... + 91258114167.

Almost surely, 2^{140172462181632} is an apocalyptic number.

140172462181632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140172462181632 is an abundant number, since it is smaller than the sum of its proper divisors (232890705397568).

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

140172462181632 is an equidigital number, since it uses as much as digits as its factorization.

140172462181632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182516226818 (or 182516226804 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 140172462181632 in words is "one hundred forty trillion, one hundred seventy-two billion, four hundred sixty-two million, one hundred eighty-one thousand, six hundred thirty-two".