3149685240 has 64 divisors (see below), whose sum is σ = 10175911200. Its totient is φ = 775306752.

The previous prime is 3149685179. The next prime is 3149685241. The reversal of 3149685240 is 425869413.

It is a super-2 number, since 2×3149685240² = 19841034222147715200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3149685192 and 3149685201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3149685241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1007955 + ... + 1011074.

Almost surely, 2^3149685240 is an apocalyptic number.

3149685240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3149685240 is an abundant number, since it is smaller than the sum of its proper divisors (7026225960).

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

3149685240 is a wasteful number, since it uses less digits than its factorization.

3149685240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019056 (or 2019052 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 3149685240 is about 56122.0566266063. The cubic root of 3149685240 is about 1465.8483812407.

The spelling of 3149685240 in words is "three billion, one hundred forty-nine million, six hundred eighty-five thousand, two hundred forty".