651940484 has 36 divisors (see below), whose sum is σ = 1238106996. Its totient is φ = 300238848.

The previous prime is 651940453. The next prime is 651940511. The reversal of 651940484 is 484049156.

651940484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 56580484 + 595360000 = 7522^2 + 24400^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 454232 + ... + 455664.

It is an arithmetic number, because the mean of its divisors is an integer number (34391861).

Almost surely, 2^651940484 is an apocalyptic number.

It is an amenable number.

651940484 is a deficient number, since it is larger than the sum of its proper divisors (586166512).

651940484 is a wasteful number, since it uses less digits than its factorization.

651940484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136 (or 2121 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 651940484 is about 25533.1252297873. The cubic root of 651940484 is about 867.1002608140.

The spelling of 651940484 in words is "six hundred fifty-one million, nine hundred forty thousand, four hundred eighty-four".