400504499 has 8 divisors (see below), whose sum is σ = 407796240. Its totient is φ = 393261696.

The previous prime is 400504463. The next prime is 400504501. The reversal of 400504499 is 994405004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 400504499 - 2²⁴ = 383727283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400504409) 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, 4487 + ... + 28655.

It is an arithmetic number, because the mean of its divisors is an integer number (50974530).

Almost surely, 2^400504499 is an apocalyptic number.

400504499 is a deficient number, since it is larger than the sum of its proper divisors (7291741).

400504499 is a wasteful number, since it uses less digits than its factorization.

400504499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24469.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 400504499 is about 20012.6085006428. The cubic root of 400504499 is about 737.1159346236.

The spelling of 400504499 in words is "four hundred million, five hundred four thousand, four hundred ninety-nine".