400010488 has 16 divisors (see below), whose sum is σ = 750771000. Its totient is φ = 199804896.

The previous prime is 400010431. The next prime is 400010509. The reversal of 400010488 is 884010004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16383 + ... + 32686.

Almost surely, 2^400010488 is an apocalyptic number.

It is an amenable number.

400010488 is a deficient number, since it is larger than the sum of its proper divisors (350760512).

400010488 is a wasteful number, since it uses less digits than its factorization.

400010488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50094 (or 50090 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 400010488 is about 20000.2621982813. The cubic root of 400010488 is about 736.8127393589.

The spelling of 400010488 in words is "four hundred million, ten thousand, four hundred eighty-eight".