620624260 has 24 divisors (see below), whose sum is σ = 1305334296. Its totient is φ = 247864320.

The previous prime is 620624233. The next prime is 620624281. The reversal of 620624260 is 62426026.

It can be written as a sum of positive squares in 4 ways, for example, as 97495876 + 523128384 = 9874^2 + 22872^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10701 + ... + 36820.

It is an arithmetic number, because the mean of its divisors is an integer number (54388929).

Almost surely, 2^620624260 is an apocalyptic number.

It is an amenable number.

620624260 is an abundant number, since it is smaller than the sum of its proper divisors (684710036).

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

620624260 is a wasteful number, since it uses less digits than its factorization.

620624260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48183 (or 48181 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 620624260 is about 24912.3314846283. The cubic root of 620624260 is about 852.9879892593.

The spelling of 620624260 in words is "six hundred twenty million, six hundred twenty-four thousand, two hundred sixty".