40485721076217 has 16 divisors (see below), whose sum is σ = 59978999577280. Its totient is φ = 26990411625216.

The previous prime is 40485721076179. The next prime is 40485721076263. The reversal of 40485721076217 is 71267012758404.

40485721076217 is a `hidden beast` number, since 4 + 0 + 4 + 8 + 5 + 7 + 2 + 1 + 0 + 7 + 621 + 7 = 666.

It is not a de Polignac number, because 40485721076217 - 2⁷ = 40485721076089 is a prime.

It is a super-2 number, since 2×40485721076217² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40485721076267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10219353 + ... + 13616409.

It is an arithmetic number, because the mean of its divisors is an integer number (3748687473580).

Almost surely, 2^{40485721076217} is an apocalyptic number.

It is an amenable number.

40485721076217 is a deficient number, since it is larger than the sum of its proper divisors (19493278501063).

40485721076217 is a wasteful number, since it uses less digits than its factorization.

40485721076217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3838469 (or 3838463 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 54.

The spelling of 40485721076217 in words is "forty trillion, four hundred eighty-five billion, seven hundred twenty-one million, seventy-six thousand, two hundred seventeen".