451940475 has 72 divisors (see below), whose sum is σ = 897466368. Its totient is φ = 199886400.

The previous prime is 451940473. The next prime is 451940477. The reversal of 451940475 is 574049154.

It is an interprime number because it is at equal distance from previous prime (451940473) and next prime (451940477).

It is not a de Polignac number, because 451940475 - 2¹ = 451940473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (451940471) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 111942 + ... + 115908.

Almost surely, 2^451940475 is an apocalyptic number.

451940475 is a deficient number, since it is larger than the sum of its proper divisors (445525893).

451940475 is a wasteful number, since it uses less digits than its factorization.

451940475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025 (or 4013 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 451940475 is about 21258.8916691346. The cubic root of 451940475 is about 767.4093375774.

The spelling of 451940475 in words is "four hundred fifty-one million, nine hundred forty thousand, four hundred seventy-five".