655037824320 has 280 divisors, whose sum is σ = 2541911774688. Its totient is φ = 158796979200.

The previous prime is 655037824289. The next prime is 655037824327. The reversal of 655037824320 is 23428730556.

655037824320 is a `hidden beast` number, since 6 + 5 + 503 + 7 + 82 + 43 + 20 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655037824327) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 863586 + ... + 1433825.

Almost surely, 2^655037824320 is an apocalyptic number.

655037824320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

655037824320 is an abundant number, since it is smaller than the sum of its proper divisors (1886873950368).

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

655037824320 is a wasteful number, since it uses less digits than its factorization.

655037824320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297451 (or 2297432 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 655037824320 in words is "six hundred fifty-five billion, thirty-seven million, eight hundred twenty-four thousand, three hundred twenty".