3157204340 has 24 divisors (see below), whose sum is σ = 6657880320. Its totient is φ = 1257595808.

The previous prime is 3157204333. The next prime is 3157204343. The reversal of 3157204340 is 434027513.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3157204343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325472 + ... + 335031.

It is an arithmetic number, because the mean of its divisors is an integer number (277411680).

Almost surely, 2^3157204340 is an apocalyptic number.

It is an amenable number.

3157204340 is an abundant number, since it is smaller than the sum of its proper divisors (3500675980).

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

3157204340 is a wasteful number, since it uses less digits than its factorization.

3157204340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660751 (or 660749 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 3157204340 is about 56189.0055081953. The cubic root of 3157204340 is about 1467.0139052720.

The spelling of 3157204340 in words is "three billion, one hundred fifty-seven million, two hundred four thousand, three hundred forty".