36731401820 has 48 divisors (see below), whose sum is σ = 78257884320. Its totient is φ = 14479939584.

The previous prime is 36731401813. The next prime is 36731401841. The reversal of 36731401820 is 2810413763.

36731401820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512852 + ... + 580068.

It is an arithmetic number, because the mean of its divisors is an integer number (1630372590).

Almost surely, 2^36731401820 is an apocalyptic number.

It is an amenable number.

36731401820 is an abundant number, since it is smaller than the sum of its proper divisors (41526482500).

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

36731401820 is a wasteful number, since it uses less digits than its factorization.

36731401820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67622 (or 67620 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 36731401820 in words is "thirty-six billion, seven hundred thirty-one million, four hundred one thousand, eight hundred twenty".