40019243573 has 8 divisors (see below), whose sum is σ = 40075723296. Its totient is φ = 39962797200.

The previous prime is 40019243519. The next prime is 40019243603. The reversal of 40019243573 is 37534291004.

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-40019243573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40019243273) 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, 3228215 + ... + 3240587.

It is an arithmetic number, because the mean of its divisors is an integer number (5009465412).

Almost surely, 2^40019243573 is an apocalyptic number.

It is an amenable number.

40019243573 is a deficient number, since it is larger than the sum of its proper divisors (56479723).

40019243573 is a wasteful number, since it uses less digits than its factorization.

40019243573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16675.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 40019243573 in words is "forty billion, nineteen million, two hundred forty-three thousand, five hundred seventy-three".