36651925440 has 448 divisors, whose sum is σ = 140100710400. Its totient is φ = 8966688768.

The previous prime is 36651925391. The next prime is 36651925469. The reversal of 36651925440 is 4452915663.

36651925440 is a `hidden beast` number, since 36 + 65 + 19 + 2 + 544 + 0 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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

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 63 ways as a sum of consecutive naturals, for example, 20104369 + ... + 20106191.

It is an arithmetic number, because the mean of its divisors is an integer number (312724800).

Almost surely, 2^36651925440 is an apocalyptic number.

36651925440 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 36651925440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70050355200).

36651925440 is an abundant number, since it is smaller than the sum of its proper divisors (103448784960).

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

36651925440 is a wasteful number, since it uses less digits than its factorization.

36651925440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041 (or 2025 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 36651925440 in words is "thirty-six billion, six hundred fifty-one million, nine hundred twenty-five thousand, four hundred forty".