400464046 has 8 divisors (see below), whose sum is σ = 601234344. Its totient is φ = 200052600.

The previous prime is 400464037. The next prime is 400464047. The reversal of 400464046 is 640464004.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400464047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86905 + ... + 91396.

It is an arithmetic number, because the mean of its divisors is an integer number (75154293).

Almost surely, 2^400464046 is an apocalyptic number.

400464046 is a deficient number, since it is larger than the sum of its proper divisors (200770298).

400464046 is a wasteful number, since it uses less digits than its factorization.

400464046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179426.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 400464046 is about 20011.5977872833. The cubic root of 400464046 is about 737.0911162966.

The spelling of 400464046 in words is "four hundred million, four hundred sixty-four thousand, forty-six".