36387571920 has 160 divisors (see below), whose sum is σ = 129068191488. Its totient is φ = 8307339264.

The previous prime is 36387571903. The next prime is 36387571921. The reversal of 36387571920 is 2917578363.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36387571921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1461012 + ... + 1485708.

Almost surely, 2^36387571920 is an apocalyptic number.

36387571920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36387571920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64534095744).

36387571920 is an abundant number, since it is smaller than the sum of its proper divisors (92680619568).

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

36387571920 is a wasteful number, since it uses less digits than its factorization.

36387571920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25597 (or 25591 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 51.

The spelling of 36387571920 in words is "thirty-six billion, three hundred eighty-seven million, five hundred seventy-one thousand, nine hundred twenty".