620624460000 has 120 divisors (see below), whose sum is σ = 2035772550504. Its totient is φ = 165499840000.

The previous prime is 620624459989. The next prime is 620624460023. The reversal of 620624460000 is 64426026.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 620624460000.

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 19 ways as a sum of consecutive naturals, for example, 5111871 + ... + 5231870.

Almost surely, 2^620624460000 is an apocalyptic number.

620624460000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

620624460000 is an abundant number, since it is smaller than the sum of its proper divisors (1415148090504).

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

620624460000 is a wasteful number, since it uses less digits than its factorization.

620624460000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10343774 (or 10343751 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 620624460000 its reverse (64426026), we get a palindrome (620688886026).

The spelling of 620624460000 in words is "six hundred twenty billion, six hundred twenty-four million, four hundred sixty thousand".