3521454562420 has 48 divisors (see below), whose sum is σ = 7405586224848. Its totient is φ = 1406576517120.

The previous prime is 3521454562403. The next prime is 3521454562433. The reversal of 3521454562420 is 242654541253.

It can be written as a sum of positive squares in 8 ways, for example, as 114425239824 + 3407029322596 = 338268^2 + 1845814^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91226644 + ... + 91265236.

It is an arithmetic number, because the mean of its divisors is an integer number (154283046351).

Almost surely, 2^{3521454562420} is an apocalyptic number.

It is an amenable number.

3521454562420 is an abundant number, since it is smaller than the sum of its proper divisors (3884131662428).

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

3521454562420 is a wasteful number, since it uses less digits than its factorization.

3521454562420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44980 (or 44978 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 43.

The spelling of 3521454562420 in words is "three trillion, five hundred twenty-one billion, four hundred fifty-four million, five hundred sixty-two thousand, four hundred twenty".