42444545402 has 8 divisors (see below), whose sum is σ = 72762077856. Its totient is φ = 18190519452.

The previous prime is 42444545399. The next prime is 42444545447. The reversal of 42444545402 is 20454544424.

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, 1515876608 + ... + 1515876635.

It is an arithmetic number, because the mean of its divisors is an integer number (9095259732).

Almost surely, 2^42444545402 is an apocalyptic number.

42444545402 is a deficient number, since it is larger than the sum of its proper divisors (30317532454).

42444545402 is a wasteful number, since it uses less digits than its factorization.

42444545402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3031753252.

The product of its (nonzero) digits is 409600, while the sum is 38.

It can be divided in two parts, 42 and 444545402, that added together give a palindrome (444545444).

The spelling of 42444545402 in words is "forty-two billion, four hundred forty-four million, five hundred forty-five thousand, four hundred two".