40235263257345 has 128 divisors (see below), whose sum is σ = 70493629086720. Its totient is φ = 19476797706240.

The previous prime is 40235263257341. The next prime is 40235263257361. The reversal of 40235263257345 is 54375236253204.

It is not a de Polignac number, because 40235263257345 - 2² = 40235263257341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40235263257341) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 10026228559 + ... + 10026232571.

It is an arithmetic number, because the mean of its divisors is an integer number (550731477240).

Almost surely, 2^{40235263257345} is an apocalyptic number.

It is an amenable number.

40235263257345 is a deficient number, since it is larger than the sum of its proper divisors (30258365829375).

40235263257345 is a wasteful number, since it uses less digits than its factorization.

40235263257345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5867.

The product of its (nonzero) digits is 18144000, while the sum is 51.

The spelling of 40235263257345 in words is "forty trillion, two hundred thirty-five billion, two hundred sixty-three million, two hundred fifty-seven thousand, three hundred forty-five".