3924641560 has 64 divisors (see below), whose sum is σ = 10112843520. Its totient is φ = 1342803840.

The previous prime is 3924641557. The next prime is 3924641561. The reversal of 3924641560 is 651464293.

It is a super-2 number, since 2×3924641560² = 30805622748958467200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3924641561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123207 + ... + 151753.

It is an arithmetic number, because the mean of its divisors is an integer number (158013180).

Almost surely, 2^3924641560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3924641560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5056421760).

3924641560 is an abundant number, since it is smaller than the sum of its proper divisors (6188201960).

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

3924641560 is a wasteful number, since it uses less digits than its factorization.

3924641560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29056 (or 29052 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 3924641560 is about 62646.9597027661. The cubic root of 3924641560 is about 1577.3691141931.

The spelling of 3924641560 in words is "three billion, nine hundred twenty-four million, six hundred forty-one thousand, five hundred sixty".