451013998 has 16 divisors (see below), whose sum is σ = 681199200. Its totient is φ = 223952256.

The previous prime is 451013993. The next prime is 451013999. The reversal of 451013998 is 899310154.

It is a self number, because there is not a number n which added to its sum of digits gives 451013998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451013993) 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, 410586 + ... + 411682.

It is an arithmetic number, because the mean of its divisors is an integer number (42574950).

Almost surely, 2^451013998 is an apocalyptic number.

451013998 is a deficient number, since it is larger than the sum of its proper divisors (230185202).

451013998 is a wasteful number, since it uses less digits than its factorization.

451013998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 451013998 is about 21237.0901490765. The cubic root of 451013998 is about 766.8845830024.

The spelling of 451013998 in words is "four hundred fifty-one million, thirteen thousand, nine hundred ninety-eight".