620040464 has 20 divisors (see below), whose sum is σ = 1202065920. Its totient is φ = 309829920.

The previous prime is 620040457. The next prime is 620040529. The reversal of 620040464 is 464040026.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17129 + ... + 39159.

It is an arithmetic number, because the mean of its divisors is an integer number (60103296).

Almost surely, 2^620040464 is an apocalyptic number.

It is an amenable number.

620040464 is a deficient number, since it is larger than the sum of its proper divisors (582025456).

620040464 is a wasteful number, since it uses less digits than its factorization.

620040464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23798 (or 23792 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 620040464 is about 24900.6117193936. The cubic root of 620040464 is about 852.7204483169.

It can be divided in two parts, 6200 and 40464, that added together give a palindrome (46664).

The spelling of 620040464 in words is "six hundred twenty million, forty thousand, four hundred sixty-four".