32216154440820 has 96 divisors (see below), whose sum is σ = 104250027974400. Its totient is φ = 7280954317824.

The previous prime is 32216154440773. The next prime is 32216154440863. The reversal of 32216154440820 is 2804445161223.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 430890315 + ... + 430965074.

It is an arithmetic number, because the mean of its divisors is an integer number (1085937791400).

Almost surely, 2^{32216154440820} is an apocalyptic number.

32216154440820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32216154440820 is an abundant number, since it is smaller than the sum of its proper divisors (72033873533580).

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

32216154440820 is a wasteful number, since it uses less digits than its factorization.

32216154440820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861855497 (or 861855495 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 42.

The spelling of 32216154440820 in words is "thirty-two trillion, two hundred sixteen billion, one hundred fifty-four million, four hundred forty thousand, eight hundred twenty".