152189394820 has 48 divisors (see below), whose sum is σ = 325661656320. Its totient is φ = 59731572096.

The previous prime is 152189394811. The next prime is 152189394823. The reversal of 152189394820 is 28493981251.

It is a super-2 number, since 2×152189394820² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (152189394823) 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, 114352 + ... + 563431.

It is an arithmetic number, because the mean of its divisors is an integer number (6784617840).

Almost surely, 2^152189394820 is an apocalyptic number.

152189394820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152189394820 is an abundant number, since it is smaller than the sum of its proper divisors (173472261500).

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

152189394820 is a wasteful number, since it uses less digits than its factorization.

152189394820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678004 (or 678002 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 52.

The spelling of 152189394820 in words is "one hundred fifty-two billion, one hundred eighty-nine million, three hundred ninety-four thousand, eight hundred twenty".