400951652 has 12 divisors (see below), whose sum is σ = 702761136. Its totient is φ = 200162760.

The previous prime is 400951637. The next prime is 400951673. The reversal of 400951652 is 256159004.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75374 + ... + 80517.

It is an arithmetic number, because the mean of its divisors is an integer number (58563428).

Almost surely, 2^400951652 is an apocalyptic number.

It is an amenable number.

400951652 is a deficient number, since it is larger than the sum of its proper divisors (301809484).

400951652 is a wasteful number, since it uses less digits than its factorization.

400951652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156538 (or 156536 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 400951652 is about 20023.7771661592. Note that the first 3 decimals coincide. The cubic root of 400951652 is about 737.3901562730.

The spelling of 400951652 in words is "four hundred million, nine hundred fifty-one thousand, six hundred fifty-two".