40503191801 has 8 divisors (see below), whose sum is σ = 40921179264. Its totient is φ = 40085537200.

The previous prime is 40503191789. The next prime is 40503191831. The reversal of 40503191801 is 10819130504.

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-40503191801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40503191831) 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, 165206 + ... + 329088.

It is an arithmetic number, because the mean of its divisors is an integer number (5115147408).

Almost surely, 2^40503191801 is an apocalyptic number.

It is an amenable number.

40503191801 is a deficient number, since it is larger than the sum of its proper divisors (417987463).

40503191801 is a wasteful number, since it uses less digits than its factorization.

40503191801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166431.

The product of its (nonzero) digits is 4320, while the sum is 32.

The spelling of 40503191801 in words is "forty billion, five hundred three million, one hundred ninety-one thousand, eight hundred one".