70242043485890 has 16 divisors (see below), whose sum is σ = 126437124977280. Its totient is φ = 28096495904880.

The previous prime is 70242043485857. The next prime is 70242043485937. The reversal of 70242043485890 is 9858434024207.

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, 39267530 + ... + 41017349.

It is an arithmetic number, because the mean of its divisors is an integer number (7902320311080).

Almost surely, 2^{70242043485890} is an apocalyptic number.

70242043485890 is a deficient number, since it is larger than the sum of its proper divisors (56195081491390).

70242043485890 is a wasteful number, since it uses less digits than its factorization.

70242043485890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80372377.

The product of its (nonzero) digits is 15482880, while the sum is 56.

The spelling of 70242043485890 in words is "seventy trillion, two hundred forty-two billion, forty-three million, four hundred eighty-five thousand, eight hundred ninety".