40171452340 has 24 divisors (see below), whose sum is σ = 84801733632. Its totient is φ = 15984450720.

The previous prime is 40171452317. The next prime is 40171452341. The reversal of 40171452340 is 4325417104.

It is a super-2 number, since 2×40171452340² (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 (40171452341) 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, 5254224 + ... + 5261863.

It is an arithmetic number, because the mean of its divisors is an integer number (3533405568).

Almost surely, 2^40171452340 is an apocalyptic number.

It is an amenable number.

40171452340 is an abundant number, since it is smaller than the sum of its proper divisors (44630281292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40171452340 is a wasteful number, since it uses less digits than its factorization.

40171452340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10516287 (or 10516285 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

Adding to 40171452340 its reverse (4325417104), we get a palindrome (44496869444).

The spelling of 40171452340 in words is "forty billion, one hundred seventy-one million, four hundred fifty-two thousand, three hundred forty".