2351013440 has 28 divisors (see below), whose sum is σ = 5598351516. Its totient is φ = 940405248.

The previous prime is 2351013407. The next prime is 2351013443. The reversal of 2351013440 is 443101532.

It can be written as a sum of positive squares in 2 ways, for example, as 903363136 + 1447650304 = 30056^2 + 38048^2 .

It is not an unprimeable number, because it can be changed into a prime (2351013443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3673139 + ... + 3673778.

Almost surely, 2^2351013440 is an apocalyptic number.

2351013440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2351013440 is an abundant number, since it is smaller than the sum of its proper divisors (3247338076).

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

2351013440 is an equidigital number, since it uses as much as digits as its factorization.

2351013440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7346934 (or 7346924 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2351013440 is about 48487.2502829352. The cubic root of 2351013440 is about 1329.6939842807.

Adding to 2351013440 its reverse (443101532), we get a palindrome (2794114972).

The spelling of 2351013440 in words is "two billion, three hundred fifty-one million, thirteen thousand, four hundred forty".