64460400 has 60 divisors (see below), whose sum is σ = 206491992. Its totient is φ = 17189120.

The previous prime is 64460381. The next prime is 64460411. The reversal of 64460400 is 406446.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 25659 + ... + 28058.

Almost surely, 2^64460400 is an apocalyptic number.

64460400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64460400 is an abundant number, since it is smaller than the sum of its proper divisors (142031592).

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

64460400 is a wasteful number, since it uses less digits than its factorization.

64460400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53738 (or 53727 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 64460400 is about 8028.7234352667. The cubic root of 64460400 is about 400.9568758131.

Adding to 64460400 its reverse (406446), we get a palindrome (64866846).

The spelling of 64460400 in words is "sixty-four million, four hundred sixty thousand, four hundred".