36655874640 has 1920 divisors, whose sum is σ = 180502732800. Its totient is φ = 6423183360.

The previous prime is 36655874603. The next prime is 36655874653. The reversal of 36655874640 is 4647855663.

36655874640 is a `hidden beast` number, since 3 + 6 + 6 + 558 + 7 + 46 + 40 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 411863716 + ... + 411863804.

It is an arithmetic number, because the mean of its divisors is an integer number (94011840).

Almost surely, 2^36655874640 is an apocalyptic number.

36655874640 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 36655874640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90251366400).

36655874640 is an abundant number, since it is smaller than the sum of its proper divisors (143846858160).

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

36655874640 is a wasteful number, since it uses less digits than its factorization.

36655874640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 54.

The spelling of 36655874640 in words is "thirty-six billion, six hundred fifty-five million, eight hundred seventy-four thousand, six hundred forty".