499320454 has 4 divisors (see below), whose sum is σ = 748980684. Its totient is φ = 249660226.

The previous prime is 499320443. The next prime is 499320461. The reversal of 499320454 is 454023994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 454023994 = 2 ⋅227011997.

It is a super-2 number, since 2×499320454² = 498641831565532232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124830112 + ... + 124830115.

It is an arithmetic number, because the mean of its divisors is an integer number (187245171).

Almost surely, 2^499320454 is an apocalyptic number.

499320454 is a deficient number, since it is larger than the sum of its proper divisors (249660230).

499320454 is a wasteful number, since it uses less digits than its factorization.

499320454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249660229.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 499320454 is about 22345.4794980998. The cubic root of 499320454 is about 793.3407922860.

The spelling of 499320454 in words is "four hundred ninety-nine million, three hundred twenty thousand, four hundred fifty-four".