42402403134242 has 8 divisors (see below), whose sum is σ = 66951162843600. Its totient is φ = 20085348853044.

The previous prime is 42402403134239. The next prime is 42402403134271. The reversal of 42402403134242 is 24243130420424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557926356992 + ... + 557926357067.

It is an arithmetic number, because the mean of its divisors is an integer number (8368895355450).

Almost surely, 2^{42402403134242} is an apocalyptic number.

42402403134242 is a deficient number, since it is larger than the sum of its proper divisors (24548759709358).

42402403134242 is a wasteful number, since it uses less digits than its factorization.

42402403134242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115852714080.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 42402403134242 its reverse (24243130420424), we get a palindrome (66645533554666).

The spelling of 42402403134242 in words is "forty-two trillion, four hundred two billion, four hundred three million, one hundred thirty-four thousand, two hundred forty-two".