3155969040000 has 320 divisors, whose sum is σ = 11971949499840. Its totient is φ = 721363968000.

The previous prime is 3155969039987. The next prime is 3155969040023. The reversal of 3155969040000 is 409695513.

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 (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 740724 + ... + 2619276.

It is an arithmetic number, because the mean of its divisors is an integer number (37412342187).

Almost surely, 2^{3155969040000} is an apocalyptic number.

3155969040000 is a gapful number since it is divisible by the number (30) 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 3155969040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5985974749920).

3155969040000 is an abundant number, since it is smaller than the sum of its proper divisors (8815980459840).

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

3155969040000 is an equidigital number, since it uses as much as digits as its factorization.

3155969040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878597 (or 1878570 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 42.

The spelling of 3155969040000 in words is "three trillion, one hundred fifty-five billion, nine hundred sixty-nine million, forty thousand".