102046400451 has 16 divisors (see below), whose sum is σ = 155265796000. Its totient is φ = 66192259104.

The previous prime is 102046400447. The next prime is 102046400503. The reversal of 102046400451 is 154004640201.

102046400451 is a `hidden beast` number, since 1 + 0 + 204 + 6 + 4 + 0 + 0 + 451 = 666.

It is not a de Polignac number, because 102046400451 - 2² = 102046400447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102046400251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51073276 + ... + 51075273.

It is an arithmetic number, because the mean of its divisors is an integer number (9704112250).

Almost surely, 2^102046400451 is an apocalyptic number.

102046400451 is a deficient number, since it is larger than the sum of its proper divisors (53219395549).

102046400451 is a wasteful number, since it uses less digits than its factorization.

102046400451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102148595 (or 102148589 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The spelling of 102046400451 in words is "one hundred two billion, forty-six million, four hundred thousand, four hundred fifty-one".