400051025200 has 30 divisors (see below), whose sum is σ = 961122589004. Its totient is φ = 160020409920.

The previous prime is 400051025189. The next prime is 400051025329. The reversal of 400051025200 is 2520150004.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 500063382 + ... + 500064181.

Almost surely, 2^400051025200 is an apocalyptic number.

400051025200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400051025200 is an abundant number, since it is smaller than the sum of its proper divisors (561071563804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400051025200 is a wasteful number, since it uses less digits than its factorization.

400051025200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000127581 (or 1000127570 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

Adding to 400051025200 its reverse (2520150004), we get a palindrome (402571175204).

The spelling of 400051025200 in words is "four hundred billion, fifty-one million, twenty-five thousand, two hundred".