151630572420 has 72 divisors (see below), whose sum is σ = 460112040024. Its totient is φ = 40420228608.

The previous prime is 151630572391. The next prime is 151630572473. The reversal of 151630572420 is 24275036151.

151630572420 is a `hidden beast` number, since 1 + 5 + 1 + 63 + 0 + 572 + 4 + 20 = 666.

151630572420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 25075355904 + 126555216516 = 158352^2 + 355746^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 352872 + ... + 654048.

Almost surely, 2^151630572420 is an apocalyptic number.

151630572420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151630572420 is an abundant number, since it is smaller than the sum of its proper divisors (308481467604).

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

151630572420 is a wasteful number, since it uses less digits than its factorization.

151630572420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303989 (or 303984 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 151630572420 in words is "one hundred fifty-one billion, six hundred thirty million, five hundred seventy-two thousand, four hundred twenty".