3215772080640 has 480 divisors, whose sum is σ = 12794902788096. Its totient is φ = 731178270720.

The previous prime is 3215772080623. The next prime is 3215772080659. The reversal of 3215772080640 is 460802775123.

3215772080640 is a `hidden beast` number, since 32 + 1 + 577 + 2 + 0 + 8 + 0 + 6 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30752284 + ... + 30856676.

Almost surely, 2^{3215772080640} is an apocalyptic number.

3215772080640 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 3215772080640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6397451394048).

3215772080640 is an abundant number, since it is smaller than the sum of its proper divisors (9579130707456).

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

3215772080640 is a wasteful number, since it uses less digits than its factorization.

3215772080640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104620 (or 104601 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 3215772080640 in words is "three trillion, two hundred fifteen billion, seven hundred seventy-two million, eighty thousand, six hundred forty".