40345542017 has 8 divisors (see below), whose sum is σ = 45036884640. Its totient is φ = 35824793760.

The previous prime is 40345541981. The next prime is 40345542067. The reversal of 40345542017 is 71024554304.

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 40345542017 - 2¹⁰ = 40345540993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40345542067) 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, 42648092 + ... + 42649037.

It is an arithmetic number, because the mean of its divisors is an integer number (5629610580).

Almost surely, 2^40345542017 is an apocalyptic number.

It is an amenable number.

40345542017 is a deficient number, since it is larger than the sum of its proper divisors (4691342623).

40345542017 is a wasteful number, since it uses less digits than its factorization.

40345542017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85297183.

The product of its (nonzero) digits is 67200, while the sum is 35.

The spelling of 40345542017 in words is "forty billion, three hundred forty-five million, five hundred forty-two thousand, seventeen".