3157340472 has 240 divisors, whose sum is σ = 10450610280. Its totient is φ = 882835200.

The previous prime is 3157340413. The next prime is 3157340507. The reversal of 3157340472 is 2740437513.

3157340472 is a `hidden beast` number, since 3 + 1 + 573 + 40 + 47 + 2 = 666.

It is a super-2 number, since 2×3157340472² = 19937597712258365568, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1203322 + ... + 1205942.

Almost surely, 2^3157340472 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 3157340472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5225305140).

3157340472 is an abundant number, since it is smaller than the sum of its proper divisors (7293269808).

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

3157340472 is a wasteful number, since it uses less digits than its factorization.

3157340472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676 (or 2650 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 3157340472 is about 56190.2168709109. The cubic root of 3157340472 is about 1467.0349898187.

Adding to 3157340472 its reverse (2740437513), we get a palindrome (5897777985).

The spelling of 3157340472 in words is "three billion, one hundred fifty-seven million, three hundred forty thousand, four hundred seventy-two".