240423804354778 has 16 divisors (see below), whose sum is σ = 393448529740896. Its totient is φ = 109275836606640.

The previous prime is 240423804354763. The next prime is 240423804354817. The reversal of 240423804354778 is 877453408324042.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385222476 + ... + 385846087.

It is an arithmetic number, because the mean of its divisors is an integer number (24590533108806).

Almost surely, 2^{240423804354778} is an apocalyptic number.

240423804354778 is a deficient number, since it is larger than the sum of its proper divisors (153024725386118).

240423804354778 is a wasteful number, since it uses less digits than its factorization.

240423804354778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771082749.

The product of its (nonzero) digits is 144506880, while the sum is 61.

The spelling of 240423804354778 in words is "two hundred forty trillion, four hundred twenty-three billion, eight hundred four million, three hundred fifty-four thousand, seven hundred seventy-eight".