3261352573920 has 192 divisors, whose sum is σ = 12058190516736. Its totient is φ = 725304637440.

The previous prime is 3261352573781. The next prime is 3261352573951. The reversal of 3261352573920 is 293752531623.

It is a super-2 number, since 2×3261352573920² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 3261352573920.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12992446 + ... + 13241085.

It is an arithmetic number, because the mean of its divisors is an integer number (62803075608).

Almost surely, 2^{3261352573920} is an apocalyptic number.

3261352573920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3261352573920 is an abundant number, since it is smaller than the sum of its proper divisors (8796837942816).

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

3261352573920 is a wasteful number, since it uses less digits than its factorization.

3261352573920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26233593 (or 26233585 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 48.

The spelling of 3261352573920 in words is "three trillion, two hundred sixty-one billion, three hundred fifty-two million, five hundred seventy-three thousand, nine hundred twenty".