400050452 has 12 divisors (see below), whose sum is σ = 701174880. Its totient is φ = 199714776.

The previous prime is 400050451. The next prime is 400050463. The reversal of 400050452 is 254050004.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400050451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74702 + ... + 79877.

It is an arithmetic number, because the mean of its divisors is an integer number (58431240).

Almost surely, 2^400050452 is an apocalyptic number.

It is an amenable number.

400050452 is a deficient number, since it is larger than the sum of its proper divisors (301124428).

400050452 is a wasteful number, since it uses less digits than its factorization.

400050452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155230 (or 155228 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 400050452 is about 20001.2612602306. The cubic root of 400050452 is about 736.8372762186.

The spelling of 400050452 in words is "four hundred million, fifty thousand, four hundred fifty-two".