64024400032 has 12 divisors (see below), whose sum is σ = 126048037626. Its totient is φ = 32012200000.

The previous prime is 64024400021. The next prime is 64024400081. The reversal of 64024400032 is 23000442046.

It can be written as a sum of positive squares in only one way, i.e., 54380374416 + 9644025616 = 233196^2 + 98204^2 .

It is a hoax number, since the sum of its digits (25) 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 as a sum of consecutive naturals, namely, 1000381219 + ... + 1000381282.

Almost surely, 2^64024400032 is an apocalyptic number.

It is an amenable number.

64024400032 is a deficient number, since it is larger than the sum of its proper divisors (62023637594).

64024400032 is a wasteful number, since it uses less digits than its factorization.

64024400032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000762511 (or 2000762503 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 64024400032 its reverse (23000442046), we get a palindrome (87024842078).

The spelling of 64024400032 in words is "sixty-four billion, twenty-four million, four hundred thousand, thirty-two".