620057460454 has 64 divisors (see below), whose sum is σ = 1051551668160. Its totient is φ = 272845393920.

The previous prime is 620057460433. The next prime is 620057460481. The reversal of 620057460454 is 454064750026.

It is a super-2 number, since 2×620057460454² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 620057460454.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3366012 + ... + 3545440.

It is an arithmetic number, because the mean of its divisors is an integer number (16430494815).

Almost surely, 2^620057460454 is an apocalyptic number.

620057460454 is a deficient number, since it is larger than the sum of its proper divisors (431494207706).

620057460454 is a wasteful number, since it uses less digits than its factorization.

620057460454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179593.

The product of its (nonzero) digits is 806400, while the sum is 43.

The spelling of 620057460454 in words is "six hundred twenty billion, fifty-seven million, four hundred sixty thousand, four hundred fifty-four".