400349484 has 36 divisors (see below), whose sum is σ = 1013179440. Its totient is φ = 133293600.

The previous prime is 400349419. The next prime is 400349491. The reversal of 400349484 is 484943004.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27034 + ... + 39134.

Almost surely, 2^400349484 is an apocalyptic number.

It is an amenable number.

400349484 is an abundant number, since it is smaller than the sum of its proper divisors (612829956).

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

400349484 is a wasteful number, since it uses less digits than its factorization.

400349484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13030 (or 13025 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 400349484 is about 20008.7351924103. The cubic root of 400349484 is about 737.0208222741.

The spelling of 400349484 in words is "four hundred million, three hundred forty-nine thousand, four hundred eighty-four".