450681696678 has 16 divisors (see below), whose sum is σ = 902727037296. Its totient is φ = 149999958240.

The previous prime is 450681696653. The next prime is 450681696683. The reversal of 450681696678 is 876696186054.

It is a super-2 number, since 2×450681696678² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56814201 + ... + 56822132.

It is an arithmetic number, because the mean of its divisors is an integer number (56420439831).

Almost surely, 2^450681696678 is an apocalyptic number.

450681696678 is an abundant number, since it is smaller than the sum of its proper divisors (452045340618).

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

450681696678 is a wasteful number, since it uses less digits than its factorization.

450681696678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113636999.

The product of its (nonzero) digits is 104509440, while the sum is 66.

The spelling of 450681696678 in words is "four hundred fifty billion, six hundred eighty-one million, six hundred ninety-six thousand, six hundred seventy-eight".