2351843940 has 48 divisors (see below), whose sum is σ = 6931753920. Its totient is φ = 594149760.

The previous prime is 2351843933. The next prime is 2351844023. The reversal of 2351843940 is 493481532.

It is a super-2 number, since 2×2351843940² = 11062339836229447200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1030371 + ... + 1032650.

It is an arithmetic number, because the mean of its divisors is an integer number (144411540).

Almost surely, 2^2351843940 is an apocalyptic number.

2351843940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2351843940 is an abundant number, since it is smaller than the sum of its proper divisors (4579909980).

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

2351843940 is a wasteful number, since it uses less digits than its factorization.

2351843940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063052 (or 2063050 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 2351843940 is about 48495.8136337561. The cubic root of 2351843940 is about 1329.8505381633.

The spelling of 2351843940 in words is "two billion, three hundred fifty-one million, eight hundred forty-three thousand, nine hundred forty".