36620421552 has 720 divisors, whose sum is σ = 130627194880. Its totient is φ = 9484231680.

The previous prime is 36620421527. The next prime is 36620421577. The reversal of 36620421552 is 25512402663.

36620421552 is a `hidden beast` number, since 3 + 6 + 62 + 0 + 42 + 1 + 552 = 666.

It is an interprime number because it is at equal distance from previous prime (36620421527) and next prime (36620421577).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 288349713 + ... + 288349839.

Almost surely, 2^36620421552 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 36620421552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65313597440).

36620421552 is an abundant number, since it is smaller than the sum of its proper divisors (94006773328).

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

36620421552 is a wasteful number, since it uses less digits than its factorization.

36620421552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 36620421552 in words is "thirty-six billion, six hundred twenty million, four hundred twenty-one thousand, five hundred fifty-two".