36597479940 has 240 divisors, whose sum is σ = 136914446592. Its totient is φ = 8001379584.

The previous prime is 36597479921. The next prime is 36597479951. The reversal of 36597479940 is 4997479563.

36597479940 is a `hidden beast` number, since 36 + 5 + 97 + 479 + 9 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 190662 + ... + 330978.

Almost surely, 2^36597479940 is an apocalyptic number.

36597479940 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 36597479940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68457223296).

36597479940 is an abundant number, since it is smaller than the sum of its proper divisors (100316966652).

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

36597479940 is a wasteful number, since it uses less digits than its factorization.

36597479940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140368 (or 140357 counting only the distinct ones).

The product of its (nonzero) digits is 51438240, while the sum is 63.

The spelling of 36597479940 in words is "thirty-six billion, five hundred ninety-seven million, four hundred seventy-nine thousand, nine hundred forty".