40135505420122 has 32 divisors (see below), whose sum is σ = 68931358531200. Its totient is φ = 17169051679488.

The previous prime is 40135505420117. The next prime is 40135505420123. The reversal of 40135505420122 is 22102450553104.

It is a happy number.

It is a super-2 number, since 2×40135505420122² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40135505420123) 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, 15098529 + ... + 17556667.

It is an arithmetic number, because the mean of its divisors is an integer number (2154104954100).

Almost surely, 2^{40135505420122} is an apocalyptic number.

40135505420122 is a deficient number, since it is larger than the sum of its proper divisors (28795853111078).

40135505420122 is a wasteful number, since it uses less digits than its factorization.

40135505420122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460310.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 40135505420122 its reverse (22102450553104), we get a palindrome (62237955973226).

The spelling of 40135505420122 in words is "forty trillion, one hundred thirty-five billion, five hundred five million, four hundred twenty thousand, one hundred twenty-two".