400825374 has 8 divisors (see below), whose sum is σ = 801650760. Its totient is φ = 133608456.

The previous prime is 400825367. The next prime is 400825429. The reversal of 400825374 is 473528004.

It is a sphenic number, since it is the product of 3 distinct primes.

400825374 is an admirable number.

It is a Curzon number.

It is a congruent 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, 33402109 + ... + 33402120.

It is an arithmetic number, because the mean of its divisors is an integer number (100206345).

Almost surely, 2^400825374 is an apocalyptic number.

400825374 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

400825374 is a wasteful number, since it uses less digits than its factorization.

400825374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66804234.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 400825374 is about 20020.6237165579. The cubic root of 400825374 is about 737.3127355242.

The spelling of 400825374 in words is "four hundred million, eight hundred twenty-five thousand, three hundred seventy-four".