40235105481 has 16 divisors (see below), whose sum is σ = 54830744640. Its totient is φ = 26237835200.

The previous prime is 40235105479. The next prime is 40235105497. The reversal of 40235105481 is 18450153204.

It is a cyclic number.

It is not a de Polignac number, because 40235105481 - 2¹ = 40235105479 is a prime.

It is a super-2 number, since 2×40235105481² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40235105411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 774786 + ... + 825083.

It is an arithmetic number, because the mean of its divisors is an integer number (3426921540).

Almost surely, 2^40235105481 is an apocalyptic number.

It is an amenable number.

40235105481 is a deficient number, since it is larger than the sum of its proper divisors (14595639159).

40235105481 is a wasteful number, since it uses less digits than its factorization.

40235105481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600056.

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 40235105481 its reverse (18450153204), we get a palindrome (58685258685).

The spelling of 40235105481 in words is "forty billion, two hundred thirty-five million, one hundred five thousand, four hundred eighty-one".