19406266614 has 24 divisors (see below), whose sum is σ = 48053612880. Its totient is φ = 5544647568.

The previous prime is 19406266613. The next prime is 19406266639. The reversal of 19406266614 is 41666260491.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 19406266614.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19406266613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77008869 + ... + 77009120.

It is an arithmetic number, because the mean of its divisors is an integer number (2002233870).

Almost surely, 2^19406266614 is an apocalyptic number.

19406266614 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19406266614 is an abundant number, since it is smaller than the sum of its proper divisors (28647346266).

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

19406266614 is a wasteful number, since it uses less digits than its factorization.

19406266614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154018004 (or 154018001 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 19406266614 in words is "nineteen billion, four hundred six million, two hundred sixty-six thousand, six hundred fourteen".