2345440402 has 8 divisors (see below), whose sum is σ = 3525997500. Its totient is φ = 1170107904.

The previous prime is 2345440381. The next prime is 2345440457. The reversal of 2345440402 is 2040445432.

It can be written as a sum of positive squares in 2 ways, for example, as 2345368041 + 72361 = 48429^2 + 269^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1305027 + ... + 1306822.

Almost surely, 2^2345440402 is an apocalyptic number.

2345440402 is a deficient number, since it is larger than the sum of its proper divisors (1180557098).

2345440402 is a wasteful number, since it uses less digits than its factorization.

2345440402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612300.

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 2345440402 is about 48429.7470775968. The cubic root of 2345440402 is about 1328.6424805423.

Adding to 2345440402 its reverse (2040445432), we get a palindrome (4385885834).

The spelling of 2345440402 in words is "two billion, three hundred forty-five million, four hundred forty thousand, four hundred two".