64025412100 has 36 divisors (see below), whose sum is σ = 149622466084. Its totient is φ = 23640151680.

The previous prime is 64025412083. The next prime is 64025412103. The reversal of 64025412100 is 121452046.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2583892224 + 61441519876 = 50832^2 + 247874^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (64025412103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24623859 + ... + 24626458.

Almost surely, 2^64025412100 is an apocalyptic number.

It is an amenable number.

64025412100 is an abundant number, since it is smaller than the sum of its proper divisors (85597053984).

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

64025412100 is a wasteful number, since it uses less digits than its factorization.

64025412100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49250344 (or 49250337 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 64025412100 its reverse (121452046), we get a palindrome (64146864146).

The spelling of 64025412100 in words is "sixty-four billion, twenty-five million, four hundred twelve thousand, one hundred".