36921964320 has 576 divisors, whose sum is σ = 138868853760. Its totient is φ = 9237888000.

The previous prime is 36921964271. The next prime is 36921964351. The reversal of 36921964320 is 2346912963.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 111546555 + ... + 111546885.

It is an arithmetic number, because the mean of its divisors is an integer number (241091760).

Almost surely, 2^36921964320 is an apocalyptic number.

36921964320 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 36921964320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69434426880).

36921964320 is an abundant number, since it is smaller than the sum of its proper divisors (101946889440).

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

36921964320 is a wasteful number, since it uses less digits than its factorization.

36921964320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The spelling of 36921964320 in words is "thirty-six billion, nine hundred twenty-one million, nine hundred sixty-four thousand, three hundred twenty".