64260400 has 30 divisors (see below), whose sum is σ = 154386572. Its totient is φ = 25704000.

The previous prime is 64260373. The next prime is 64260401. The reversal of 64260400 is 406246.

It is not an unprimeable number, because it can be changed into a prime (64260401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79926 + ... + 80725.

Almost surely, 2^64260400 is an apocalyptic number.

It is an amenable number.

64260400 is an abundant number, since it is smaller than the sum of its proper divisors (90126172).

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

64260400 is a wasteful number, since it uses less digits than its factorization.

64260400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160669 (or 160658 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 64260400 is about 8016.2584788666. The cubic root of 64260400 is about 400.5417658930.

Adding to 64260400 its reverse (406246), we get a palindrome (64666646).

The spelling of 64260400 in words is "sixty-four million, two hundred sixty thousand, four hundred".