3563401620 has 96 divisors (see below), whose sum is σ = 10737812736. Its totient is φ = 879667200.

The previous prime is 3563401619. The next prime is 3563401657. The reversal of 3563401620 is 261043653.

It is a super-2 number, since 2×3563401620² = 25395662210837248800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 33585 + ... + 90855.

It is an arithmetic number, because the mean of its divisors is an integer number (111852216).

Almost surely, 2^3563401620 is an apocalyptic number.

3563401620 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 3563401620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5368906368).

3563401620 is an abundant number, since it is smaller than the sum of its proper divisors (7174411116).

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

3563401620 is a wasteful number, since it uses less digits than its factorization.

3563401620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57361 (or 57359 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 3563401620 is about 59694.2343949564. The cubic root of 3563401620 is about 1527.4075196496.

The spelling of 3563401620 in words is "three billion, five hundred sixty-three million, four hundred one thousand, six hundred twenty".