400425195 has 16 divisors (see below), whose sum is σ = 654312960. Its totient is φ = 209015904.

The previous prime is 400425187. The next prime is 400425199. The reversal of 400425195 is 591524004.

It is not a de Polignac number, because 400425195 - 2³ = 400425187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400425199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283285 + ... + 284694.

It is an arithmetic number, because the mean of its divisors is an integer number (40894560).

Almost surely, 2^400425195 is an apocalyptic number.

400425195 is a deficient number, since it is larger than the sum of its proper divisors (253887765).

400425195 is a wasteful number, since it uses less digits than its factorization.

400425195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568034.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 400425195 is about 20010.6270516443. The cubic root of 400425195 is about 737.0672792394.

Adding to 400425195 its reverse (591524004), we get a palindrome (991949199).

The spelling of 400425195 in words is "four hundred million, four hundred twenty-five thousand, one hundred ninety-five".