400764744231554 has 8 divisors (see below), whose sum is σ = 601147663747068. Its totient is φ = 200382189649200.

The previous prime is 400764744231491. The next prime is 400764744231571. The reversal of 400764744231554 is 455132447467004.

It can be written as a sum of positive squares in 2 ways, for example, as 397838328433225 + 2926415798329 = 19945885^2 + 1710677^2 .

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

It is a super-3 number, since 3×400764744231554³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 400764744231554.

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, 88471097 + ... + 92890604.

Almost surely, 2^{400764744231554} is an apocalyptic number.

400764744231554 is a deficient number, since it is larger than the sum of its proper divisors (200382919515514).

400764744231554 is a wasteful number, since it uses less digits than its factorization.

400764744231554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182466580.

The product of its (nonzero) digits is 45158400, while the sum is 56.

The spelling of 400764744231554 in words is "four hundred trillion, seven hundred sixty-four billion, seven hundred forty-four million, two hundred thirty-one thousand, five hundred fifty-four".