15449845793340 has 192 divisors, whose sum is σ = 51956542116864. Its totient is φ = 3356044296192.

The previous prime is 15449845793321. The next prime is 15449845793363. The reversal of 15449845793340 is 4339754894451.

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10892229 + ... + 12228668.

It is an arithmetic number, because the mean of its divisors is an integer number (270606990192).

Almost surely, 2^{15449845793340} is an apocalyptic number.

15449845793340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15449845793340 is an abundant number, since it is smaller than the sum of its proper divisors (36506696323524).

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

15449845793340 is a wasteful number, since it uses less digits than its factorization.

15449845793340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23120996 (or 23120994 counting only the distinct ones).

The product of its (nonzero) digits is 261273600, while the sum is 66.

The spelling of 15449845793340 in words is "fifteen trillion, four hundred forty-nine billion, eight hundred forty-five million, seven hundred ninety-three thousand, three hundred forty".