400760133385 has 8 divisors (see below), whose sum is σ = 480916053576. Its totient is φ = 320605511040.

The previous prime is 400760133379. The next prime is 400760133427. The reversal of 400760133385 is 583331067004.

It can be written as a sum of positive squares in 4 ways, for example, as 242875494976 + 157884638409 = 492824^2 + 397347^2 .

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

It is not a de Polignac number, because 400760133385 - 2²⁵ = 400726578953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588327 + ... + 1071283.

It is an arithmetic number, because the mean of its divisors is an integer number (60114506697).

Almost surely, 2^400760133385 is an apocalyptic number.

It is an amenable number.

400760133385 is a deficient number, since it is larger than the sum of its proper divisors (80155920191).

400760133385 is a wasteful number, since it uses less digits than its factorization.

400760133385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648923.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 400760133385 in words is "four hundred billion, seven hundred sixty million, one hundred thirty-three thousand, three hundred eighty-five".