40235145404545 has 32 divisors (see below), whose sum is σ = 61030274635008. Its totient is φ = 24779209229568.

The previous prime is 40235145404543. The next prime is 40235145404563. The reversal of 40235145404545 is 54540454153204.

It is a cyclic number.

It is not a de Polignac number, because 40235145404545 - 2¹ = 40235145404543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40235145404495 and 40235145404504.

It is not an unprimeable number, because it can be changed into a prime (40235145404543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1194968179 + ... + 1195001848.

It is an arithmetic number, because the mean of its divisors is an integer number (1907196082344).

Almost surely, 2^{40235145404545} is an apocalyptic number.

It is an amenable number.

40235145404545 is a deficient number, since it is larger than the sum of its proper divisors (20795129230463).

40235145404545 is a wasteful number, since it uses less digits than its factorization.

40235145404545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389970089.

The product of its (nonzero) digits is 3840000, while the sum is 46.

Adding to 40235145404545 its reverse (54540454153204), we get a palindrome (94775599557749).

The spelling of 40235145404545 in words is "forty trillion, two hundred thirty-five billion, one hundred forty-five million, four hundred four thousand, five hundred forty-five".