440142632412432 has 40 divisors (see below), whose sum is σ = 1141565154216480. Its totient is φ = 146129692032000.

The previous prime is 440142632412419. The next prime is 440142632412451. The reversal of 440142632412432 is 234214236241044.

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, 18266199457 + ... + 18266223552.

It is an arithmetic number, because the mean of its divisors is an integer number (28539128855412).

Almost surely, 2^{440142632412432} is an apocalyptic number.

It is an amenable number.

440142632412432 is an abundant number, since it is smaller than the sum of its proper divisors (701422521804048).

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

440142632412432 is a wasteful number, since it uses less digits than its factorization.

440142632412432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36532423271 (or 36532423265 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 42.

Adding to 440142632412432 its reverse (234214236241044), we get a palindrome (674356868653476).

The spelling of 440142632412432 in words is "four hundred forty trillion, one hundred forty-two billion, six hundred thirty-two million, four hundred twelve thousand, four hundred thirty-two".