240423804354642 has 128 divisors (see below), whose sum is σ = 521915861376000. Its totient is φ = 73584452229120.

The previous prime is 240423804354599. The next prime is 240423804354653. The reversal of 240423804354642 is 246453408324042.

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, 844033413 + ... + 844318215.

It is an arithmetic number, because the mean of its divisors is an integer number (4077467667000).

Almost surely, 2^{240423804354642} is an apocalyptic number.

240423804354642 is an abundant number, since it is smaller than the sum of its proper divisors (281492057021358).

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

240423804354642 is a wasteful number, since it uses less digits than its factorization.

240423804354642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286056.

The product of its (nonzero) digits is 17694720, while the sum is 51.

The spelling of 240423804354642 in words is "two hundred forty trillion, four hundred twenty-three billion, eight hundred four million, three hundred fifty-four thousand, six hundred forty-two".