40890571873872 has 40 divisors (see below), whose sum is σ = 120724545533376. Its totient is φ = 11683020535296.

The previous prime is 40890571873861. The next prime is 40890571873909. The reversal of 40890571873872 is 27837817509804.

It is a junction number, because it is equal to n+sod(n) for n = 40890571873797 and 40890571873806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60849064953 + ... + 60849065624.

Almost surely, 2^{40890571873872} is an apocalyptic number.

40890571873872 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

40890571873872 is an abundant number, since it is smaller than the sum of its proper divisors (79833973659504).

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

40890571873872 is a wasteful number, since it uses less digits than its factorization.

40890571873872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121698130595 (or 121698130589 counting only the distinct ones).

The product of its (nonzero) digits is 189665280, while the sum is 69.

The spelling of 40890571873872 in words is "forty trillion, eight hundred ninety billion, five hundred seventy-one million, eight hundred seventy-three thousand, eight hundred seventy-two".