3625550464 has 32 divisors (see below), whose sum is σ = 7275532500. Its totient is φ = 1799534592.

The previous prime is 3625550399. The next prime is 3625550477. The reversal of 3625550464 is 4640555263.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3227148864 + 398401600 = 56808^2 + 19960^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×3625550464³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85839 + ... + 120910.

Almost surely, 2^3625550464 is an apocalyptic number.

It is an amenable number.

3625550464 is an abundant number, since it is smaller than the sum of its proper divisors (3649982036).

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

3625550464 is a wasteful number, since it uses less digits than its factorization.

3625550464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206900 (or 206888 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

The square root of 3625550464 is about 60212.5440751344. The cubic root of 3625550464 is about 1536.2361652205.

The spelling of 3625550464 in words is "three billion, six hundred twenty-five million, five hundred fifty thousand, four hundred sixty-four".