616503415300440 has 64 divisors (see below), whose sum is σ = 1857804013900800. Its totient is φ = 163663686924672.

The previous prime is 616503415300411. The next prime is 616503415300501. The reversal of 616503415300440 is 44003514305616.

It is a happy number.

It is a super-2 number, since 2×616503415300440² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 616503415300392 and 616503415300401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11519095350 + ... + 11519148869.

It is an arithmetic number, because the mean of its divisors is an integer number (29028187717200).

Almost surely, 2^{616503415300440} is an apocalyptic number.

616503415300440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

616503415300440 is an abundant number, since it is smaller than the sum of its proper divisors (1241300598600360).

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

616503415300440 is a wasteful number, since it uses less digits than its factorization.

616503415300440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23038244456 (or 23038244452 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 616503415300440 in words is "six hundred sixteen trillion, five hundred three billion, four hundred fifteen million, three hundred thousand, four hundred forty".