10391408976 has 80 divisors (see below), whose sum is σ = 29524610304. Its totient is φ = 3129318912.

The previous prime is 10391408957. The next prime is 10391408977. The reversal of 10391408976 is 67980419301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10391408977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147831 + ... + 206486.

Almost surely, 2^10391408976 is an apocalyptic number.

10391408976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10391408976 is an abundant number, since it is smaller than the sum of its proper divisors (19133201328).

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

10391408976 is a wasteful number, since it uses less digits than its factorization.

10391408976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354388 (or 354382 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The spelling of 10391408976 in words is "ten billion, three hundred ninety-one million, four hundred eight thousand, nine hundred seventy-six".