400050632 has 8 divisors (see below), whose sum is σ = 750094950. Its totient is φ = 200025312.

The previous prime is 400050631. The next prime is 400050667. The reversal of 400050632 is 236050004.

It can be written as a sum of positive squares in only one way, i.e., 229643716 + 170406916 = 15154^2 + 13054^2 .

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 (400050631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25003157 + ... + 25003172.

Almost surely, 2^400050632 is an apocalyptic number.

It is an amenable number.

400050632 is a deficient number, since it is larger than the sum of its proper divisors (350044318).

400050632 is a wasteful number, since it uses less digits than its factorization.

400050632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50006335 (or 50006331 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 400050632 is about 20001.2657599463. The cubic root of 400050632 is about 736.8373867303.

The spelling of 400050632 in words is "four hundred million, fifty thousand, six hundred thirty-two".