400725375265 has 8 divisors (see below), whose sum is σ = 480988018368. Its totient is φ = 320501921520.

The previous prime is 400725375263. The next prime is 400725375293. The reversal of 400725375265 is 562573527004.

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

It is not a de Polignac number, because 400725375265 - 2¹ = 400725375263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400725375263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9774837 + ... + 9815746.

It is an arithmetic number, because the mean of its divisors is an integer number (60123502296).

Almost surely, 2^400725375265 is an apocalyptic number.

It is an amenable number.

400725375265 is a deficient number, since it is larger than the sum of its proper divisors (80262643103).

400725375265 is a wasteful number, since it uses less digits than its factorization.

400725375265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19594679.

The product of its (nonzero) digits is 1764000, while the sum is 46.

The spelling of 400725375265 in words is "four hundred billion, seven hundred twenty-five million, three hundred seventy-five thousand, two hundred sixty-five".