400421276215 has 8 divisors (see below), whose sum is σ = 501397076448. Its totient is φ = 306409324320.

The previous prime is 400421276173. The next prime is 400421276239. The reversal of 400421276215 is 512672124004.

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

It is not a de Polignac number, because 400421276215 - 2¹¹ = 400421274167 is a prime.

It is a Duffinian number.

It is a congruent 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, 1740961956 + ... + 1740962185.

It is an arithmetic number, because the mean of its divisors is an integer number (62674634556).

Almost surely, 2^400421276215 is an apocalyptic number.

400421276215 is a deficient number, since it is larger than the sum of its proper divisors (100975800233).

400421276215 is a wasteful number, since it uses less digits than its factorization.

400421276215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3481924169.

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 400421276215 in words is "four hundred billion, four hundred twenty-one million, two hundred seventy-six thousand, two hundred fifteen".