36983621844 has 240 divisors, whose sum is σ = 106149400896. Its totient is φ = 11160115200.

The previous prime is 36983621833. The next prime is 36983621869. The reversal of 36983621844 is 44812638963.

36983621844 is a `hidden beast` number, since 3 + 6 + 9 + 8 + 3 + 621 + 8 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 53521539 + ... + 53522229.

Almost surely, 2^36983621844 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36983621844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53074700448).

36983621844 is an abundant number, since it is smaller than the sum of its proper divisors (69165779052).

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

36983621844 is a wasteful number, since it uses less digits than its factorization.

36983621844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948 (or 937 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 54.

The spelling of 36983621844 in words is "thirty-six billion, nine hundred eighty-three million, six hundred twenty-one thousand, eight hundred forty-four".