3641452261620 has 96 divisors (see below), whose sum is σ = 10465274615040. Its totient is φ = 945508131840.

The previous prime is 3641452261609. The next prime is 3641452261669. The reversal of 3641452261620 is 261622541463.

It is a happy number.

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, 201952 + ... + 2706231.

It is an arithmetic number, because the mean of its divisors is an integer number (109013277240).

Almost surely, 2^{3641452261620} is an apocalyptic number.

3641452261620 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 3641452261620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5232637307520).

3641452261620 is an abundant number, since it is smaller than the sum of its proper divisors (6823822353420).

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

3641452261620 is a wasteful number, since it uses less digits than its factorization.

3641452261620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908745 (or 2908743 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 3641452261620 in words is "three trillion, six hundred forty-one billion, four hundred fifty-two million, two hundred sixty-one thousand, six hundred twenty".