624561663421304 has 128 divisors (see below), whose sum is σ = 1360427788800000. Its totient is φ = 263280552837120.

The previous prime is 624561663421273. The next prime is 624561663421331. The reversal of 624561663421304 is 403124366165426.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1273021757 + ... + 1273512275.

It is an arithmetic number, because the mean of its divisors is an integer number (10628342100000).

Almost surely, 2^{624561663421304} 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 624561663421304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (680213894400000).

624561663421304 is an abundant number, since it is smaller than the sum of its proper divisors (735866125378696).

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

624561663421304 is a wasteful number, since it uses less digits than its factorization.

624561663421304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491701 (or 491697 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 53.

The spelling of 624561663421304 in words is "six hundred twenty-four trillion, five hundred sixty-one billion, six hundred sixty-three million, four hundred twenty-one thousand, three hundred four".