400012254250050 has 96 divisors (see below), whose sum is σ = 1068366947764032. Its totient is φ = 98462109991680.

The previous prime is 400012254250013. The next prime is 400012254250073. The reversal of 400012254250050 is 50052452210004.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 76637677 + ... + 81690623.

It is an arithmetic number, because the mean of its divisors is an integer number (11128822372542).

Almost surely, 2^{400012254250050} is an apocalyptic number.

400012254250050 is an abundant number, since it is smaller than the sum of its proper divisors (668354693513982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400012254250050 is a wasteful number, since it uses less digits than its factorization.

400012254250050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5093572 (or 5093567 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The spelling of 400012254250050 in words is "four hundred trillion, twelve billion, two hundred fifty-four million, two hundred fifty thousand, fifty".