3621423257100 has 360 divisors, whose sum is σ = 13048073338608. Its totient is φ = 861355123200.

The previous prime is 3621423257087. The next prime is 3621423257171. The reversal of 3621423257100 is 17523241263.

3621423257100 is a `hidden beast` number, since 3 + 62 + 1 + 4 + 23 + 2 + 571 + 0 + 0 = 666.

It is a super-2 number, since 2×3621423257100² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 4338862 + ... + 5105738.

Almost surely, 2^{3621423257100} is an apocalyptic number.

3621423257100 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 3621423257100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6524036669304).

3621423257100 is an abundant number, since it is smaller than the sum of its proper divisors (9426650081508).

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

3621423257100 is a wasteful number, since it uses less digits than its factorization.

3621423257100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766967 (or 766951 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

Adding to 3621423257100 its reverse (17523241263), we get a palindrome (3638946498363).

The spelling of 3621423257100 in words is "three trillion, six hundred twenty-one billion, four hundred twenty-three million, two hundred fifty-seven thousand, one hundred".