240551242345545 has 64 divisors (see below), whose sum is σ = 392995770036480. Its totient is φ = 125600077145088.

The previous prime is 240551242345507. The next prime is 240551242345613. The reversal of 240551242345545 is 545543242155042.

It is not a de Polignac number, because 240551242345545 - 2⁷ = 240551242345417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1285802271 + ... + 1285989339.

It is an arithmetic number, because the mean of its divisors is an integer number (6140558906820).

Almost surely, 2^{240551242345545} is an apocalyptic number.

It is an amenable number.

240551242345545 is a deficient number, since it is larger than the sum of its proper divisors (152444527690935).

240551242345545 is a wasteful number, since it uses less digits than its factorization.

240551242345545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190634.

The product of its (nonzero) digits is 19200000, while the sum is 51.

The spelling of 240551242345545 in words is "two hundred forty trillion, five hundred fifty-one billion, two hundred forty-two million, three hundred forty-five thousand, five hundred forty-five".