440142423146 has 8 divisors (see below), whose sum is σ = 660224879424. Its totient is φ = 220067463340.

The previous prime is 440142423121. The next prime is 440142423191. The reversal of 440142423146 is 641324241044.

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, 1724960 + ... + 1963611.

It is an arithmetic number, because the mean of its divisors is an integer number (82528109928).

Almost surely, 2^440142423146 is an apocalyptic number.

440142423146 is a deficient number, since it is larger than the sum of its proper divisors (220082456278).

440142423146 is a wasteful number, since it uses less digits than its factorization.

440142423146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3748236.

The product of its (nonzero) digits is 73728, while the sum is 35.

The spelling of 440142423146 in words is "four hundred forty billion, one hundred forty-two million, four hundred twenty-three thousand, one hundred forty-six".