400080488 has 8 divisors (see below), whose sum is σ = 750150930. Its totient is φ = 200040240.

The previous prime is 400080487. The next prime is 400080521. The reversal of 400080488 is 884080004.

It can be written as a sum of positive squares in only one way, i.e., 400080004 + 484 = 20002^2 + 22^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (400080481) by changing a digit.

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 as a sum of consecutive naturals, namely, 25005023 + ... + 25005038.

Almost surely, 2^400080488 is an apocalyptic number.

It is an amenable number.

400080488 is a deficient number, since it is larger than the sum of its proper divisors (350070442).

400080488 is a wasteful number, since it uses less digits than its factorization.

400080488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50010067 (or 50010063 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 32.

The square root of 400080488 is about 20002.0120987865. The cubic root of 400080488 is about 736.8557164682.

The spelling of 400080488 in words is "four hundred million, eighty thousand, four hundred eighty-eight".