40844034893 has 16 divisors (see below), whose sum is σ = 44979459840. Its totient is φ = 36947347200.

The previous prime is 40844034883. The next prime is 40844034977. The reversal of 40844034893 is 39843044804.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40844034893 - 2⁴ = 40844034877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40844034883) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 521168 + ... + 594393.

It is an arithmetic number, because the mean of its divisors is an integer number (2811216240).

Almost surely, 2^40844034893 is an apocalyptic number.

It is an amenable number.

40844034893 is a deficient number, since it is larger than the sum of its proper divisors (4135424947).

40844034893 is a wasteful number, since it uses less digits than its factorization.

40844034893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115668.

The product of its (nonzero) digits is 1327104, while the sum is 47.

The spelling of 40844034893 in words is "forty billion, eight hundred forty-four million, thirty-four thousand, eight hundred ninety-three".