620458916512 has 48 divisors (see below), whose sum is σ = 1290008190240. Its totient is φ = 292944169728.

The previous prime is 620458916501. The next prime is 620458916543. The reversal of 620458916512 is 215619854026.

It is a happy number.

It is a super-2 number, since 2×620458916512² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1475383 + ... + 1848694.

It is an arithmetic number, because the mean of its divisors is an integer number (26875170630).

Almost surely, 2^620458916512 is an apocalyptic number.

It is an amenable number.

620458916512 is an abundant number, since it is smaller than the sum of its proper divisors (669549273728).

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

620458916512 is a wasteful number, since it uses less digits than its factorization.

620458916512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3324413 (or 3324405 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 49.

The spelling of 620458916512 in words is "six hundred twenty billion, four hundred fifty-eight million, nine hundred sixteen thousand, five hundred twelve".