40220517069 has 24 divisors (see below), whose sum is σ = 58813765920. Its totient is φ = 26482734432.

The previous prime is 40220517067. The next prime is 40220517089. The reversal of 40220517069 is 96071502204.

40220517069 is a `hidden beast` number, since 402 + 20 + 5 + 170 + 69 = 666.

40220517069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40220517069 - 2¹ = 40220517067 is a prime.

It is a super-2 number, since 2×40220517069² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40220517067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3571762 + ... + 3583004.

It is an arithmetic number, because the mean of its divisors is an integer number (2450573580).

Almost surely, 2^40220517069 is an apocalyptic number.

It is an amenable number.

40220517069 is a deficient number, since it is larger than the sum of its proper divisors (18593248851).

40220517069 is a wasteful number, since it uses less digits than its factorization.

40220517069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16121 (or 16118 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 40220517069 in words is "forty billion, two hundred twenty million, five hundred seventeen thousand, sixty-nine".