400555252044212 has 12 divisors (see below), whose sum is σ = 737864937976320. Its totient is φ = 189736698336696.

The previous prime is 400555252044061. The next prime is 400555252044263. The reversal of 400555252044212 is 212440252555004.

It is a self number, because there is not a number n which added to its sum of digits gives 400555252044212.

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, 2635231921268 + ... + 2635231921419.

It is an arithmetic number, because the mean of its divisors is an integer number (61488744831360).

Almost surely, 2^{400555252044212} is an apocalyptic number.

It is an amenable number.

400555252044212 is a deficient number, since it is larger than the sum of its proper divisors (337309685932108).

400555252044212 is a wasteful number, since it uses less digits than its factorization.

400555252044212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5270463842710 (or 5270463842708 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 41.

The spelling of 400555252044212 in words is "four hundred trillion, five hundred fifty-five billion, two hundred fifty-two million, forty-four thousand, two hundred twelve".