400215452143004 has 12 divisors (see below), whose sum is σ = 700379573205144. Its totient is φ = 200107002655824.

The previous prime is 400215452142983. The next prime is 400215452143021. The reversal of 400215452143004 is 400341254512004.

It is a happy number.

It is a super-2 number, since 2×400215452143004² (a number of 30 digits) contains 22 as substring.

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, 179608199 + ... + 181822814.

It is an arithmetic number, because the mean of its divisors is an integer number (58364964433762).

Almost surely, 2^{400215452143004} is an apocalyptic number.

It is an amenable number.

400215452143004 is a deficient number, since it is larger than the sum of its proper divisors (300164121062140).

400215452143004 is a wasteful number, since it uses less digits than its factorization.

400215452143004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361707844 (or 361707842 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 400215452143004 in words is "four hundred trillion, two hundred fifteen billion, four hundred fifty-two million, one hundred forty-three thousand, four".