3857140260 has 72 divisors (see below), whose sum is σ = 11723712000. Its totient is φ = 1026485568.

The previous prime is 3857140253. The next prime is 3857140283. The reversal of 3857140260 is 620417583.

3857140260 is a `hidden beast` number, since 385 + 7 + 14 + 0 + 260 = 666.

3857140260 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 (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68349 + ... + 111291.

Almost surely, 2^3857140260 is an apocalyptic number.

3857140260 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 3857140260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5861856000).

3857140260 is an abundant number, since it is smaller than the sum of its proper divisors (7866571740).

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

3857140260 is a wasteful number, since it uses less digits than its factorization.

3857140260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43457 (or 43452 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 3857140260 is about 62105.8794318219. The cubic root of 3857140260 is about 1568.2735237337.

The spelling of 3857140260 in words is "three billion, eight hundred fifty-seven million, one hundred forty thousand, two hundred sixty".