42799557542 has 12 divisors (see below), whose sum is σ = 74680860780. Its totient is φ = 18342667476.

The previous prime is 42799557517. The next prime is 42799557547. The reversal of 42799557542 is 24575599724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42799557547) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 218364992 + ... + 218365187.

It is an arithmetic number, because the mean of its divisors is an integer number (6223405065).

Almost surely, 2^42799557542 is an apocalyptic number.

42799557542 is a deficient number, since it is larger than the sum of its proper divisors (31881303238).

42799557542 is a wasteful number, since it uses less digits than its factorization.

42799557542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436730195 (or 436730188 counting only the distinct ones).

The product of its digits is 31752000, while the sum is 59.

The spelling of 42799557542 in words is "forty-two billion, seven hundred ninety-nine million, five hundred fifty-seven thousand, five hundred forty-two".