64404652 has 12 divisors (see below), whose sum is σ = 121378096. Its totient is φ = 29725200.

The previous prime is 64404649. The next prime is 64404673. The reversal of 64404652 is 25640446.

It is a super-2 number, since 2×64404652² = 8295918398482208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 619224 + ... + 619327.

Almost surely, 2^64404652 is an apocalyptic number.

It is an amenable number.

64404652 is a deficient number, since it is larger than the sum of its proper divisors (56973444).

64404652 is a wasteful number, since it uses less digits than its factorization.

64404652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238568 (or 1238566 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 64404652 is about 8025.2508995046. The cubic root of 64404652 is about 400.8412544869.

It can be divided in two parts, 64404 and 652, that added together give a palindrome (65056).

The spelling of 64404652 in words is "sixty-four million, four hundred four thousand, six hundred fifty-two".