400112994 has 8 divisors (see below), whose sum is σ = 800226000. Its totient is φ = 133370996.

The previous prime is 400112983. The next prime is 400113017. The reversal of 400112994 is 499211004.

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

400112994 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 33342744 + ... + 33342755.

It is an arithmetic number, because the mean of its divisors is an integer number (100028250).

Almost surely, 2^400112994 is an apocalyptic number.

400112994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

400112994 is a wasteful number, since it uses less digits than its factorization.

400112994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66685504.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 400112994 is about 20002.8246505337. The cubic root of 400112994 is about 736.8756721055.

Adding to 400112994 its reverse (499211004), we get a palindrome (899323998).

The spelling of 400112994 in words is "four hundred million, one hundred twelve thousand, nine hundred ninety-four".