40783815493 has 8 divisors (see below), whose sum is σ = 41428648800. Its totient is φ = 40142636208.

The previous prime is 40783815467. The next prime is 40783815503. The reversal of 40783815493 is 39451838704.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40783815493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40783815493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40783815433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 891003 + ... + 935656.

It is an arithmetic number, because the mean of its divisors is an integer number (5178581100).

Almost surely, 2^40783815493 is an apocalyptic number.

It is an amenable number.

40783815493 is a deficient number, since it is larger than the sum of its proper divisors (644833307).

40783815493 is a wasteful number, since it uses less digits than its factorization.

40783815493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827011.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 40783815493 in words is "forty billion, seven hundred eighty-three million, eight hundred fifteen thousand, four hundred ninety-three".