3157838460 has 168 divisors, whose sum is σ = 11363387616. Its totient is φ = 721768320.

The previous prime is 3157838419. The next prime is 3157838471. The reversal of 3157838460 is 648387513.

3157838460 is a `hidden beast` number, since 3 + 1 + 578 + 38 + 46 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 55 ways as a sum of consecutive naturals, for example, 86590 + ... + 117530.

It is an arithmetic number, because the mean of its divisors is an integer number (67639212).

Almost surely, 2^3157838460 is an apocalyptic number.

3157838460 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 3157838460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5681693808).

3157838460 is an abundant number, since it is smaller than the sum of its proper divisors (8205549156).

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

3157838460 is a wasteful number, since it uses less digits than its factorization.

3157838460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30975 (or 30958 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 3157838460 is about 56194.6479657983. The cubic root of 3157838460 is about 1467.1121145825.

The spelling of 3157838460 in words is "three billion, one hundred fifty-seven million, eight hundred thirty-eight thousand, four hundred sixty".