400032325 has 48 divisors (see below), whose sum is σ = 631209600. Its totient is φ = 249312000.

The previous prime is 400032323. The next prime is 400032329. The reversal of 400032325 is 523230004.

It is not a de Polignac number, because 400032325 - 2¹ = 400032323 is a prime.

It is a super-2 number, since 2×400032325² = 320051722089811250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400032323) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 92205 + ... + 96445.

It is an arithmetic number, because the mean of its divisors is an integer number (13150200).

Almost surely, 2^400032325 is an apocalyptic number.

It is an amenable number.

400032325 is a deficient number, since it is larger than the sum of its proper divisors (231177275).

400032325 is a wasteful number, since it uses less digits than its factorization.

400032325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4283 (or 4264 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 400032325 is about 20000.8081086740. The cubic root of 400032325 is about 736.8261469132.

Adding to 400032325 its reverse (523230004), we get a palindrome (923262329).

The spelling of 400032325 in words is "four hundred million, thirty-two thousand, three hundred twenty-five".