64040063076 has 48 divisors (see below), whose sum is σ = 181123414080. Its totient is φ = 19406079360.

The previous prime is 64040063063. The next prime is 64040063077. The reversal of 64040063076 is 67036004046.

64040063076 is a `hidden beast` number, since 640 + 4 + 0 + 0 + 6 + 3 + 0 + 7 + 6 = 666.

It is a super-2 number, since 2×64040063076² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 64040063076.

It is not an unprimeable number, because it can be changed into a prime (64040063077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26951701 + ... + 26954076.

It is an arithmetic number, because the mean of its divisors is an integer number (3773404460).

Almost surely, 2^64040063076 is an apocalyptic number.

64040063076 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

64040063076 is an abundant number, since it is smaller than the sum of its proper divisors (117083351004).

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

64040063076 is a wasteful number, since it uses less digits than its factorization.

64040063076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53905801 (or 53905793 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 64040063076 in words is "sixty-four billion, forty million, sixty-three thousand, seventy-six".