240455340402 has 32 divisors (see below), whose sum is σ = 486755474688. Its totient is φ = 79177849296.

The previous prime is 240455340397. The next prime is 240455340407. The reversal of 240455340402 is 204043554042.

It is an interprime number because it is at equal distance from previous prime (240455340397) and next prime (240455340407).

It is not an unprimeable number, because it can be changed into a prime (240455340407) 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, 6416973 + ... + 6454335.

It is an arithmetic number, because the mean of its divisors is an integer number (15211108584).

Almost surely, 2^240455340402 is an apocalyptic number.

240455340402 is an abundant number, since it is smaller than the sum of its proper divisors (246300134286).

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

240455340402 is a wasteful number, since it uses less digits than its factorization.

240455340402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50374.

The product of its (nonzero) digits is 76800, while the sum is 33.

Adding to 240455340402 its reverse (204043554042), we get a palindrome (444498894444).

The spelling of 240455340402 in words is "two hundred forty billion, four hundred fifty-five million, three hundred forty thousand, four hundred two".