182120879340 has 72 divisors (see below), whose sum is σ = 554232959280. Its totient is φ = 48407359104.

The previous prime is 182120879333. The next prime is 182120879359. The reversal of 182120879340 is 43978021281.

It is a happy number.

182120879340 is a `hidden beast` number, since 18 + 21 + 208 + 79 + 340 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1592595 + ... + 1703114.

It is an arithmetic number, because the mean of its divisors is an integer number (7697679990).

Almost surely, 2^182120879340 is an apocalyptic number.

182120879340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

182120879340 is an abundant number, since it is smaller than the sum of its proper divisors (372112079940).

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

182120879340 is a wasteful number, since it uses less digits than its factorization.

182120879340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3296031 (or 3296026 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 182120879340 in words is "one hundred eighty-two billion, one hundred twenty million, eight hundred seventy-nine thousand, three hundred forty".