620363640000 has 560 divisors, whose sum is σ = 2215923277568. Its totient is φ = 152216064000.

The previous prime is 620363639993. The next prime is 620363640011. The reversal of 620363640000 is 46363026.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 620363640000.

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, 853319637 + ... + 853320363.

Almost surely, 2^620363640000 is an apocalyptic number.

620363640000 is a gapful number since it is divisible by the number (60) 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 620363640000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1107961638784).

620363640000 is an abundant number, since it is smaller than the sum of its proper divisors (1595559637568).

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

620363640000 is a wasteful number, since it uses less digits than its factorization.

620363640000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322 (or 1297 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

The spelling of 620363640000 in words is "six hundred twenty billion, three hundred sixty-three million, six hundred forty thousand".