76620430040 has 128 divisors (see below), whose sum is σ = 227578636800. Its totient is φ = 22476871680.

The previous prime is 76620430031. The next prime is 76620430043. The reversal of 76620430040 is 4003402667.

It is a junction number, because it is equal to n+sod(n) for n = 76620429979 and 76620430006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76620430043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 679310 + ... + 784029.

It is an arithmetic number, because the mean of its divisors is an integer number (1777958100).

Almost surely, 2^76620430040 is an apocalyptic number.

76620430040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

76620430040 is an abundant number, since it is smaller than the sum of its proper divisors (150958206760).

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

76620430040 is a wasteful number, since it uses less digits than its factorization.

76620430040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463385 (or 1463381 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The spelling of 76620430040 in words is "seventy-six billion, six hundred twenty million, four hundred thirty thousand, forty".