451788412 has 12 divisors (see below), whose sum is σ = 790950160. Its totient is φ = 225802656.

The previous prime is 451788391. The next prime is 451788427. The reversal of 451788412 is 214887154.

It is a super-2 number, since 2×451788412² = 408225538434963488, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11112 + ... + 32047.

Almost surely, 2^451788412 is an apocalyptic number.

It is an amenable number.

451788412 is a deficient number, since it is larger than the sum of its proper divisors (339161748).

451788412 is a wasteful number, since it uses less digits than its factorization.

451788412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45780 (or 45778 counting only the distinct ones).

The product of its digits is 71680, while the sum is 40.

The square root of 451788412 is about 21255.3149118050. The cubic root of 451788412 is about 767.3232586481.

It can be divided in two parts, 4517 and 88412, that added together give a palindrome (92929).

The spelling of 451788412 in words is "four hundred fifty-one million, seven hundred eighty-eight thousand, four hundred twelve".