40427145511 has 4 divisors (see below), whose sum is σ = 42805212912. Its totient is φ = 38049078112.

The previous prime is 40427145509. The next prime is 40427145533. The reversal of 40427145511 is 11554172404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40427145511 - 2¹ = 40427145509 is a prime.

It is a super-2 number, since 2×40427145511² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40427145541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1189033675 + ... + 1189033708.

It is an arithmetic number, because the mean of its divisors is an integer number (10701303228).

Almost surely, 2^40427145511 is an apocalyptic number.

40427145511 is a deficient number, since it is larger than the sum of its proper divisors (2378067401).

40427145511 is a wasteful number, since it uses less digits than its factorization.

40427145511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2378067400.

The product of its (nonzero) digits is 22400, while the sum is 34.

The spelling of 40427145511 in words is "forty billion, four hundred twenty-seven million, one hundred forty-five thousand, five hundred eleven".