440142423108 has 24 divisors (see below), whose sum is σ = 1027029538080. Its totient is φ = 146709776640.

The previous prime is 440142423103. The next prime is 440142423121. The reversal of 440142423108 is 801324241044.

It is not an unprimeable number, because it can be changed into a prime (440142423103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111538 + ... + 944841.

It is an arithmetic number, because the mean of its divisors is an integer number (42792897420).

Almost surely, 2^440142423108 is an apocalyptic number.

It is an amenable number.

440142423108 is an abundant number, since it is smaller than the sum of its proper divisors (586887114972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440142423108 is a wasteful number, since it uses less digits than its factorization.

440142423108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091107 (or 1091105 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

The spelling of 440142423108 in words is "four hundred forty billion, one hundred forty-two million, four hundred twenty-three thousand, one hundred eight".