3815159040 has 1296 divisors, whose sum is σ = 18320649984. Its totient is φ = 713687040.

The previous prime is 3815159011. The next prime is 3815159053. The reversal of 3815159040 is 409515183.

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

It is a junction number, because it is equal to n+sod(n) for n = 3815158986 and 3815159004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 165876469 + ... + 165876491.

It is an arithmetic number, because the mean of its divisors is an integer number (14136304).

Almost surely, 2^3815159040 is an apocalyptic number.

3815159040 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 3815159040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9160324992).

3815159040 is an abundant number, since it is smaller than the sum of its proper divisors (14505490944).

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

3815159040 is a wasteful number, since it uses less digits than its factorization.

3815159040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 3815159040 is about 61766.9736995427. The cubic root of 3815159040 is about 1562.5630450508.

The spelling of 3815159040 in words is "three billion, eight hundred fifteen million, one hundred fifty-nine thousand, forty".