151878692420 has 48 divisors (see below), whose sum is σ = 392548009728. Its totient is φ = 48067102080.

The previous prime is 151878692419. The next prime is 151878692437. The reversal of 151878692420 is 24296878151.

151878692420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×151878692420² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41723096 + ... + 41726735.

It is an arithmetic number, because the mean of its divisors is an integer number (8178083536).

Almost surely, 2^151878692420 is an apocalyptic number.

151878692420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151878692420 is an abundant number, since it is smaller than the sum of its proper divisors (240669317308).

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

151878692420 is a wasteful number, since it uses less digits than its factorization.

151878692420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83449860 (or 83449858 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 53.

The spelling of 151878692420 in words is "one hundred fifty-one billion, eight hundred seventy-eight million, six hundred ninety-two thousand, four hundred twenty".