36311918840 has 32 divisors (see below), whose sum is σ = 85254072480. Its totient is φ = 13893255552.

The previous prime is 36311918833. The next prime is 36311918861. The reversal of 36311918840 is 4881911363.

It is a junction number, because it is equal to n+sod(n) for n = 36311918791 and 36311918800.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 19733819 + ... + 19735658.

It is an arithmetic number, because the mean of its divisors is an integer number (2664189765).

Almost surely, 2^36311918840 is an apocalyptic number.

It is an amenable number.

36311918840 is an abundant number, since it is smaller than the sum of its proper divisors (48942153640).

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

36311918840 is a wasteful number, since it uses less digits than its factorization.

36311918840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39469511 (or 39469507 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 36311918840 in words is "thirty-six billion, three hundred eleven million, nine hundred eighteen thousand, eight hundred forty".