240426313061658 has 32 divisors (see below), whose sum is σ = 508470440228352. Its totient is φ = 75665244076800.

The previous prime is 240426313061653. The next prime is 240426313061717. The reversal of 240426313061658 is 856160313624042.

It is a self number, because there is not a number n which added to its sum of digits gives 240426313061658.

It is not an unprimeable number, because it can be changed into a prime (240426313061653) 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, 15763584891 + ... + 15763600142.

It is an arithmetic number, because the mean of its divisors is an integer number (15889701257136).

Almost surely, 2^{240426313061658} is an apocalyptic number.

240426313061658 is an abundant number, since it is smaller than the sum of its proper divisors (268044127166694).

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

240426313061658 is a wasteful number, since it uses less digits than its factorization.

240426313061658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31527185110.

The product of its (nonzero) digits is 4976640, while the sum is 51.

The spelling of 240426313061658 in words is "two hundred forty trillion, four hundred twenty-six billion, three hundred thirteen million, sixty-one thousand, six hundred fifty-eight".