2345421140 has 48 divisors (see below), whose sum is σ = 4962021120. Its totient is φ = 931217280.

The previous prime is 2345421121. The next prime is 2345421149. The reversal of 2345421140 is 411245432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2345421149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3033794 + ... + 3034566.

It is an arithmetic number, because the mean of its divisors is an integer number (103375440).

Almost surely, 2^2345421140 is an apocalyptic number.

2345421140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2345421140 is an abundant number, since it is smaller than the sum of its proper divisors (2616599980).

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

2345421140 is a wasteful number, since it uses less digits than its factorization.

2345421140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712 (or 1710 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2345421140 is about 48429.5482118097. The cubic root of 2345421140 is about 1328.6388433602.

Adding to 2345421140 its reverse (411245432), we get a palindrome (2756666572).

The spelling of 2345421140 in words is "two billion, three hundred forty-five million, four hundred twenty-one thousand, one hundred forty".