680477032620 has 1440 divisors, whose sum is σ = 2920581328896. Its totient is φ = 130767436800.

The previous prime is 680477032619. The next prime is 680477032657. The reversal of 680477032620 is 26230774086.

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

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 622576794 + ... + 622577886.

Almost surely, 2^680477032620 is an apocalyptic number.

680477032620 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 680477032620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1460290664448).

680477032620 is an abundant number, since it is smaller than the sum of its proper divisors (2240104296276).

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

680477032620 is a wasteful number, since it uses less digits than its factorization.

680477032620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193 (or 1175 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 680477032620 in words is "six hundred eighty billion, four hundred seventy-seven million, thirty-two thousand, six hundred twenty".