15970455037440 has 320 divisors, whose sum is σ = 57025441566720. Its totient is φ = 4236487188480.

The previous prime is 15970455037417. The next prime is 15970455037457. The reversal of 15970455037440 is 4473055407951.

15970455037440 is a `hidden beast` number, since 1 + 5 + 97 + 0 + 4 + 5 + 503 + 7 + 4 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (54).

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 31 ways as a sum of consecutive naturals, for example, 12597067 + ... + 13806773.

It is an arithmetic number, because the mean of its divisors is an integer number (178204504896).

Almost surely, 2^{15970455037440} is an apocalyptic number.

15970455037440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15970455037440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28512720783360).

15970455037440 is an abundant number, since it is smaller than the sum of its proper divisors (41054986529280).

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

15970455037440 is a wasteful number, since it uses less digits than its factorization.

15970455037440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209930 (or 1209908 counting only the distinct ones).

The product of its (nonzero) digits is 10584000, while the sum is 54.

The spelling of 15970455037440 in words is "fifteen trillion, nine hundred seventy billion, four hundred fifty-five million, thirty-seven thousand, four hundred forty".