40531725217 has 8 divisors (see below), whose sum is σ = 42081050880. Its totient is φ = 38997515280.

The previous prime is 40531725211. The next prime is 40531725253. The reversal of 40531725217 is 71252713504.

40531725217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40531725217 - 2¹⁹ = 40531200929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40531725211) 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, 3773467 + ... + 3784192.

It is an arithmetic number, because the mean of its divisors is an integer number (5260131360).

Almost surely, 2^40531725217 is an apocalyptic number.

It is an amenable number.

40531725217 is a deficient number, since it is larger than the sum of its proper divisors (1549325663).

40531725217 is a wasteful number, since it uses less digits than its factorization.

40531725217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7557863.

The product of its (nonzero) digits is 58800, while the sum is 37.

The spelling of 40531725217 in words is "forty billion, five hundred thirty-one million, seven hundred twenty-five thousand, two hundred seventeen".