2564450364 has 48 divisors (see below), whose sum is σ = 6851296256. Its totient is φ = 731332800.

The previous prime is 2564450347. The next prime is 2564450381. The reversal of 2564450364 is 4630544652.

It is an interprime number because it is at equal distance from previous prime (2564450347) and next prime (2564450381).

It is a congruent 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, 17229 + ... + 73659.

Almost surely, 2^2564450364 is an apocalyptic number.

It is an amenable number.

2564450364 is an abundant number, since it is smaller than the sum of its proper divisors (4286845892).

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

2564450364 is a wasteful number, since it uses less digits than its factorization.

2564450364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56986 (or 56984 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

The square root of 2564450364 is about 50640.4024865522. The cubic root of 2564450364 is about 1368.7730083662.

The spelling of 2564450364 in words is "two billion, five hundred sixty-four million, four hundred fifty thousand, three hundred sixty-four".