40958981020 has 12 divisors (see below), whose sum is σ = 86013860184. Its totient is φ = 16383592400.

The previous prime is 40958981009. The next prime is 40958981033. The reversal of 40958981020 is 2018985904.

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 3 ways as a sum of consecutive naturals, for example, 1023974506 + ... + 1023974545.

It is an arithmetic number, because the mean of its divisors is an integer number (7167821682).

Almost surely, 2^40958981020 is an apocalyptic number.

It is an amenable number.

40958981020 is an abundant number, since it is smaller than the sum of its proper divisors (45054879164).

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

40958981020 is a wasteful number, since it uses less digits than its factorization.

40958981020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047949060 (or 2047949058 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 46.

The spelling of 40958981020 in words is "forty billion, nine hundred fifty-eight million, nine hundred eighty-one thousand, twenty".