3620244672 has 224 divisors, whose sum is σ = 11668719360. Its totient is φ = 1091543040.

The previous prime is 3620244671. The next prime is 3620244679. The reversal of 3620244672 is 2764420263.

3620244672 is a `hidden beast` number, since 3 + 6 + 202 + 446 + 7 + 2 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (3620244671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5378928 + ... + 5379600.

Almost surely, 2^3620244672 is an apocalyptic number.

3620244672 is a gapful number since it is divisible by the number (32) 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 3620244672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5834359680).

3620244672 is an abundant number, since it is smaller than the sum of its proper divisors (8048474688).

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

3620244672 is a wasteful number, since it uses less digits than its factorization.

3620244672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988 (or 972 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

The square root of 3620244672 is about 60168.4690847291. The cubic root of 3620244672 is about 1535.4864005501.

The spelling of 3620244672 in words is "three billion, six hundred twenty million, two hundred forty-four thousand, six hundred seventy-two".