451274036668 has 36 divisors (see below), whose sum is σ = 977315379600. Its totient is φ = 178525990656.

The previous prime is 451274036623. The next prime is 451274036671. The reversal of 451274036668 is 866630472154.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47678493 + ... + 47687956.

Almost surely, 2^451274036668 is an apocalyptic number.

It is an amenable number.

451274036668 is an abundant number, since it is smaller than the sum of its proper divisors (526041342932).

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

451274036668 is a wasteful number, since it uses less digits than its factorization.

451274036668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95366486 (or 95366471 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 451274036668 in words is "four hundred fifty-one billion, two hundred seventy-four million, thirty-six thousand, six hundred sixty-eight".