451977460 has 24 divisors (see below), whose sum is σ = 1035439776. Its totient is φ = 164355360.

The previous prime is 451977451. The next prime is 451977469. The reversal of 451977460 is 64779154.

It is an interprime number because it is at equal distance from previous prime (451977451) and next prime (451977469).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451977469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1027002 + ... + 1027441.

It is an arithmetic number, because the mean of its divisors is an integer number (43143324).

Almost surely, 2^451977460 is an apocalyptic number.

It is an amenable number.

451977460 is an abundant number, since it is smaller than the sum of its proper divisors (583462316).

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

451977460 is a wasteful number, since it uses less digits than its factorization.

451977460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054463 (or 2054461 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 451977460 is about 21259.7615226512. The cubic root of 451977460 is about 767.4302709095.

The spelling of 451977460 in words is "four hundred fifty-one million, nine hundred seventy-seven thousand, four hundred sixty".