2628932407920 has 1920 divisors, whose sum is σ = 11800264734720. Its totient is φ = 523781406720.

The previous prime is 2628932407883. The next prime is 2628932407921. The reversal of 2628932407920 is 297042398262.

2628932407920 is a `hidden beast` number, since 2 + 62 + 8 + 93 + 2 + 407 + 92 + 0 = 666.

It is a super-2 number, since 2×2628932407920² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2628932407921) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 13621411344 + ... + 13621411536.

It is an arithmetic number, because the mean of its divisors is an integer number (6145971216).

Almost surely, 2^{2628932407920} is an apocalyptic number.

2628932407920 is a gapful number since it is divisible by the number (20) 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 2628932407920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5900132367360).

2628932407920 is an abundant number, since it is smaller than the sum of its proper divisors (9171332326800).

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

2628932407920 is a wasteful number, since it uses less digits than its factorization.

2628932407920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 2628932407920 in words is "two trillion, six hundred twenty-eight billion, nine hundred thirty-two million, four hundred seven thousand, nine hundred twenty".