400012131414 has 24 divisors (see below), whose sum is σ = 930640469688. Its totient is φ = 114289180320.

The previous prime is 400012131319. The next prime is 400012131439. The reversal of 400012131414 is 414131210004.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 680292447 + ... + 680293034.

It is an arithmetic number, because the mean of its divisors is an integer number (38776686237).

Almost surely, 2^400012131414 is an apocalyptic number.

400012131414 is an abundant number, since it is smaller than the sum of its proper divisors (530628338274).

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

400012131414 is a wasteful number, since it uses less digits than its factorization.

400012131414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360585500 (or 1360585493 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 400012131414 its reverse (414131210004), we get a palindrome (814143341418).

The spelling of 400012131414 in words is "four hundred billion, twelve million, one hundred thirty-one thousand, four hundred fourteen".