628417399392 has 384 divisors, whose sum is σ = 2081436134400. Its totient is φ = 183245856768.

The previous prime is 628417399381. The next prime is 628417399451. The reversal of 628417399392 is 293993714826.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14769573 + ... + 14812059.

It is an arithmetic number, because the mean of its divisors is an integer number (5420406600).

Almost surely, 2^628417399392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 628417399392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1040718067200).

628417399392 is an abundant number, since it is smaller than the sum of its proper divisors (1453018735008).

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

628417399392 is a wasteful number, since it uses less digits than its factorization.

628417399392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42595 (or 42581 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 63.

The spelling of 628417399392 in words is "six hundred twenty-eight billion, four hundred seventeen million, three hundred ninety-nine thousand, three hundred ninety-two".