624796380 has 432 divisors, whose sum is σ = 2302110720. Its totient is φ = 136401408.

The previous prime is 624796349. The next prime is 624796397. The reversal of 624796380 is 83697426.

624796380 is a `hidden beast` number, since 6 + 2 + 4 + 7 + 9 + 638 + 0 = 666.

It is a super-2 number, since 2×624796380² = 780741032922208800, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 13293517 + ... + 13293563.

It is an arithmetic number, because the mean of its divisors is an integer number (5328960).

Almost surely, 2^624796380 is an apocalyptic number.

624796380 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 624796380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1151055360).

624796380 is an abundant number, since it is smaller than the sum of its proper divisors (1677314340).

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

624796380 is a wasteful number, since it uses less digits than its factorization.

624796380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 624796380 is about 24995.9272682571. The cubic root of 624796380 is about 854.8951138394.

The spelling of 624796380 in words is "six hundred twenty-four million, seven hundred ninety-six thousand, three hundred eighty".