2402440297 has 8 divisors (see below), whose sum is σ = 2454388992. Its totient is φ = 2350526400.

The previous prime is 2402440253. The next prime is 2402440319. The reversal of 2402440297 is 7920442042.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-2402440297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2402440207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169972 + ... + 183562.

It is an arithmetic number, because the mean of its divisors is an integer number (306798624).

Almost surely, 2^2402440297 is an apocalyptic number.

It is an amenable number.

2402440297 is a deficient number, since it is larger than the sum of its proper divisors (51948695).

2402440297 is a wasteful number, since it uses less digits than its factorization.

2402440297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17399.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 2402440297 is about 49014.6947047516. The cubic root of 2402440297 is about 1339.3195284563.

The spelling of 2402440297 in words is "two billion, four hundred two million, four hundred forty thousand, two hundred ninety-seven".