624964340 has 384 divisors, whose sum is σ = 1950842880. Its totient is φ = 161740800.

The previous prime is 624964313. The next prime is 624964367. The reversal of 624964340 is 43469426.

It is an interprime number because it is at equal distance from previous prime (624964313) and next prime (624964367).

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 624964294 and 624964303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11791754 + ... + 11791806.

It is an arithmetic number, because the mean of its divisors is an integer number (5080320).

Almost surely, 2^624964340 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 624964340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (975421440).

624964340 is an abundant number, since it is smaller than the sum of its proper divisors (1325878540).

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

624964340 is a wasteful number, since it uses less digits than its factorization.

624964340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 38.

The square root of 624964340 is about 24999.2867898266. The cubic root of 624964340 is about 854.9717122978.

The spelling of 624964340 in words is "six hundred twenty-four million, nine hundred sixty-four thousand, three hundred forty".