15440100138292 has 24 divisors (see below), whose sum is σ = 28305727027200. Its totient is φ = 7359489018336.

The previous prime is 15440100138289. The next prime is 15440100138427. The reversal of 15440100138292 is 29283100104451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 842423188 + ... + 842441515.

It is an arithmetic number, because the mean of its divisors is an integer number (1179405292800).

Almost surely, 2^{15440100138292} is an apocalyptic number.

It is an amenable number.

15440100138292 is a deficient number, since it is larger than the sum of its proper divisors (12865626888908).

15440100138292 is a wasteful number, since it uses less digits than its factorization.

15440100138292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684864815 (or 1684864813 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 15440100138292 in words is "fifteen trillion, four hundred forty billion, one hundred million, one hundred thirty-eight thousand, two hundred ninety-two".