626474380 has 48 divisors (see below), whose sum is σ = 1544187456. Its totient is φ = 208984320.

The previous prime is 626474377. The next prime is 626474399. The reversal of 626474380 is 83474626.

It is a happy 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, 55291 + ... + 65650.

It is an arithmetic number, because the mean of its divisors is an integer number (32170572).

Almost surely, 2^626474380 is an apocalyptic number.

It is an amenable number.

626474380 is an abundant number, since it is smaller than the sum of its proper divisors (917713076).

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

626474380 is a wasteful number, since it uses less digits than its factorization.

626474380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120994 (or 120992 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 626474380 is about 25029.4702301107. The cubic root of 626474380 is about 855.6597531933.

The spelling of 626474380 in words is "six hundred twenty-six million, four hundred seventy-four thousand, three hundred eighty".