40819633379 has 8 divisors (see below), whose sum is σ = 46964104800. Its totient is φ = 34753435776.

The previous prime is 40819633331. The next prime is 40819633409. The reversal of 40819633379 is 97333691804.

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

It is a cyclic number.

It is not a de Polignac number, because 40819633379 - 2²⁴ = 40802856163 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 40819633379.

It is not an unprimeable number, because it can be changed into a prime (40819633879) 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, 19567334 + ... + 19569419.

It is an arithmetic number, because the mean of its divisors is an integer number (5870513100).

Almost surely, 2^40819633379 is an apocalyptic number.

40819633379 is a deficient number, since it is larger than the sum of its proper divisors (6144471421).

40819633379 is a wasteful number, since it uses less digits than its factorization.

40819633379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39136909.

The product of its (nonzero) digits is 2939328, while the sum is 53.

The spelling of 40819633379 in words is "forty billion, eight hundred nineteen million, six hundred thirty-three thousand, three hundred seventy-nine".