1401407918894 has 16 divisors (see below), whose sum is σ = 2103656994432. Its totient is φ = 700189113528.

The previous prime is 1401407918893. The next prime is 1401407918959. The reversal of 1401407918894 is 4988197041041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401407918893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15388097 + ... + 15478899.

It is an arithmetic number, because the mean of its divisors is an integer number (131478562152).

Almost surely, 2^{1401407918894} is an apocalyptic number.

1401407918894 is a deficient number, since it is larger than the sum of its proper divisors (702249075538).

1401407918894 is a wasteful number, since it uses less digits than its factorization.

1401407918894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96391.

The product of its (nonzero) digits is 2322432, while the sum is 56.

The spelling of 1401407918894 in words is "one trillion, four hundred one billion, four hundred seven million, nine hundred eighteen thousand, eight hundred ninety-four".