40362271591 has 8 divisors (see below), whose sum is σ = 41690162304. Its totient is φ = 39035998560.

The previous prime is 40362271571. The next prime is 40362271669. The reversal of 40362271591 is 19517226304.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40362271591 - 2¹¹ = 40362269543 is a prime.

It is a super-2 number, since 2×40362271591² (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 (40362271571) 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, 353596 + ... + 453601.

It is an arithmetic number, because the mean of its divisors is an integer number (5211270288).

Almost surely, 2^40362271591 is an apocalyptic number.

40362271591 is a deficient number, since it is larger than the sum of its proper divisors (1327890713).

40362271591 is a wasteful number, since it uses less digits than its factorization.

40362271591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808841.

The product of its (nonzero) digits is 90720, while the sum is 40.

Adding to 40362271591 its reverse (19517226304), we get a palindrome (59879497895).

The spelling of 40362271591 in words is "forty billion, three hundred sixty-two million, two hundred seventy-one thousand, five hundred ninety-one".