4021619360 has 96 divisors (see below), whose sum is σ = 10540756800. Its totient is φ = 1437583360.

The previous prime is 4021619347. The next prime is 4021619387. The reversal of 4021619360 is 639161204.

4021619360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84476 + ... + 123204.

It is an arithmetic number, because the mean of its divisors is an integer number (109799550).

Almost surely, 2^4021619360 is an apocalyptic number.

4021619360 is a gapful number since it is divisible by the number (40) 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 4021619360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5270378400).

4021619360 is an abundant number, since it is smaller than the sum of its proper divisors (6519137440).

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

4021619360 is a wasteful number, since it uses less digits than its factorization.

4021619360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38814 (or 38806 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 4021619360 is about 63416.2389297883. The cubic root of 4021619360 is about 1590.2557978811.

The spelling of 4021619360 in words is "four billion, twenty-one million, six hundred nineteen thousand, three hundred sixty".