4378455570242 has 16 divisors (see below), whose sum is σ = 7076552660352. Its totient is φ = 2019779106960.

The previous prime is 4378455570239. The next prime is 4378455570283. The reversal of 4378455570242 is 2420755548734.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43554698 + ... + 43655109.

It is an arithmetic number, because the mean of its divisors is an integer number (442284541272).

Almost surely, 2^{4378455570242} is an apocalyptic number.

4378455570242 is a deficient number, since it is larger than the sum of its proper divisors (2698097090110).

4378455570242 is a wasteful number, since it uses less digits than its factorization.

4378455570242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87211753.

The product of its (nonzero) digits is 37632000, while the sum is 56.

The spelling of 4378455570242 in words is "four trillion, three hundred seventy-eight billion, four hundred fifty-five million, five hundred seventy thousand, two hundred forty-two".