10172678940 has 72 divisors (see below), whose sum is σ = 30883227648. Its totient is φ = 2710419840.

The previous prime is 10172678921. The next prime is 10172678959. The reversal of 10172678940 is 4987627101.

It is a happy number.

10172678940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10172678921) and next prime (10172678959).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 195045 + ... + 241635.

Almost surely, 2^10172678940 is an apocalyptic number.

10172678940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10172678940 is an abundant number, since it is smaller than the sum of its proper divisors (20710548708).

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

10172678940 is a wasteful number, since it uses less digits than its factorization.

10172678940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47819 (or 47814 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 10172678940 in words is "ten billion, one hundred seventy-two million, six hundred seventy-eight thousand, nine hundred forty".