32172675540 has 48 divisors (see below), whose sum is σ = 94000169088. Its totient is φ = 8206363264.

The previous prime is 32172675497. The next prime is 32172675541. The reversal of 32172675540 is 4557627123.

It is a super-2 number, since 2×32172675540² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32172675492 and 32172675501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32172675541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11655387 + ... + 11658146.

It is an arithmetic number, because the mean of its divisors is an integer number (1958336856).

Almost surely, 2^32172675540 is an apocalyptic number.

32172675540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32172675540 is an abundant number, since it is smaller than the sum of its proper divisors (61827493548).

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

32172675540 is a wasteful number, since it uses less digits than its factorization.

32172675540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23313568 (or 23313566 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 42.

The spelling of 32172675540 in words is "thirty-two billion, one hundred seventy-two million, six hundred seventy-five thousand, five hundred forty".