15449670977376 has 48 divisors (see below), whose sum is σ = 40609969795584. Its totient is φ = 5142959090304.

The previous prime is 15449670977357. The next prime is 15449670977381. The reversal of 15449670977376 is 67377907694451.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 15449670977298 and 15449670977307.

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 7 ways as a sum of consecutive naturals, for example, 108228856 + ... + 108371511.

It is an arithmetic number, because the mean of its divisors is an integer number (846041037408).

Almost surely, 2^{15449670977376} is an apocalyptic number.

15449670977376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15449670977376 is an abundant number, since it is smaller than the sum of its proper divisors (25160298818208).

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

15449670977376 is a wasteful number, since it uses less digits than its factorization.

15449670977376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216601123 (or 216601115 counting only the distinct ones).

The product of its (nonzero) digits is 1680315840, while the sum is 75.

The spelling of 15449670977376 in words is "fifteen trillion, four hundred forty-nine billion, six hundred seventy million, nine hundred seventy-seven thousand, three hundred seventy-six".