3420615456544 has 48 divisors (see below), whose sum is σ = 7911668278080. Its totient is φ = 1435223266560.

The previous prime is 3420615456539. The next prime is 3420615456547. The reversal of 3420615456544 is 4456545160243.

It is a super-2 number, since 2×3420615456544² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3420615456547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373751484 + ... + 373760635.

It is an arithmetic number, because the mean of its divisors is an integer number (164826422460).

Almost surely, 2^{3420615456544} is an apocalyptic number.

It is an amenable number.

3420615456544 is an abundant number, since it is smaller than the sum of its proper divisors (4491052821536).

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

3420615456544 is a wasteful number, since it uses less digits than its factorization.

3420615456544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747512153 (or 747512145 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 49.

The spelling of 3420615456544 in words is "three trillion, four hundred twenty billion, six hundred fifteen million, four hundred fifty-six thousand, five hundred forty-four".