400284044 has 6 divisors (see below), whose sum is σ = 700497084. Its totient is φ = 200142020.

The previous prime is 400284041. The next prime is 400284047. The reversal of 400284044 is 440482004.

It is an interprime number because it is at equal distance from previous prime (400284041) and next prime (400284047).

It is not an unprimeable number, because it can be changed into a prime (400284041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50035502 + ... + 50035509.

It is an arithmetic number, because the mean of its divisors is an integer number (116749514).

Almost surely, 2^400284044 is an apocalyptic number.

It is an amenable number.

400284044 is a deficient number, since it is larger than the sum of its proper divisors (300213040).

400284044 is a wasteful number, since it uses less digits than its factorization.

400284044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100071015 (or 100071013 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 400284044 is about 20007.0998398069. The cubic root of 400284044 is about 736.9806629694.

The spelling of 400284044 in words is "four hundred million, two hundred eighty-four thousand, forty-four".