40934243571 has 24 divisors (see below), whose sum is σ = 59642613360. Its totient is φ = 24959166336.

The previous prime is 40934243557. The next prime is 40934243573. The reversal of 40934243571 is 17534243904.

It is a happy number.

It is not a de Polignac number, because 40934243571 - 2⁶ = 40934243507 is a prime.

It is a super-2 number, since 2×40934243571² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40934243573) 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, 315096 + ... + 425621.

It is an arithmetic number, because the mean of its divisors is an integer number (2485108890).

Almost surely, 2^40934243571 is an apocalyptic number.

40934243571 is a deficient number, since it is larger than the sum of its proper divisors (18708369789).

40934243571 is a wasteful number, since it uses less digits than its factorization.

40934243571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740855 (or 740842 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 40934243571 in words is "forty billion, nine hundred thirty-four million, two hundred forty-three thousand, five hundred seventy-one".