40042806480840 has 32 divisors (see below), whose sum is σ = 120128419442880. Its totient is φ = 10678081728192.

The previous prime is 40042806480751. The next prime is 40042806480851. The reversal of 40042806480840 is 4808460824004.

It is a self number, because there is not a number n which added to its sum of digits gives 40042806480840.

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, 166845026884 + ... + 166845027123.

It is an arithmetic number, because the mean of its divisors is an integer number (3754013107590).

Almost surely, 2^{40042806480840} is an apocalyptic number.

40042806480840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40042806480840 is an abundant number, since it is smaller than the sum of its proper divisors (80085612962040).

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

40042806480840 is a wasteful number, since it uses less digits than its factorization.

40042806480840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333690054021 (or 333690054017 counting only the distinct ones).

The product of its (nonzero) digits is 1572864, while the sum is 48.

The spelling of 40042806480840 in words is "forty trillion, forty-two billion, eight hundred six million, four hundred eighty thousand, eight hundred forty".