36637022464 has 81 divisors (see below), whose sum is σ = 85120482657. Its totient is φ = 15692393472.

The previous prime is 36637022449. The next prime is 36637022491. The reversal of 36637022464 is 46422073663.

The square root of 36637022464 is 191408.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6887672064 + 29749350400 = 82992^2 + 172480^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 36637022464.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21436842 + ... + 21438550.

Almost surely, 2^36637022464 is an apocalyptic number.

36637022464 is the 191408-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36637022464

36637022464 is an abundant number, since it is smaller than the sum of its proper divisors (48483460193).

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

36637022464 is an frugal number, since it uses more digits than its factorization.

36637022464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3448 (or 1718 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 43.

The spelling of 36637022464 in words is "thirty-six billion, six hundred thirty-seven million, twenty-two thousand, four hundred sixty-four".