182020363640 has 32 divisors (see below), whose sum is σ = 409559112000. Its totient is φ = 72805782144.

The previous prime is 182020363633. The next prime is 182020363649. The reversal of 182020363640 is 46363020281.

It is a self number, because there is not a number n which added to its sum of digits gives 182020363640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (182020363649) 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, 1699601 + ... + 1803519.

It is an arithmetic number, because the mean of its divisors is an integer number (12798722250).

Almost surely, 2^182020363640 is an apocalyptic number.

182020363640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

182020363640 is an abundant number, since it is smaller than the sum of its proper divisors (227538748360).

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

182020363640 is a wasteful number, since it uses less digits than its factorization.

182020363640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147719 (or 147715 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 182020363640 in words is "one hundred eighty-two billion, twenty million, three hundred sixty-three thousand, six hundred forty".