40265206289 has 32 divisors (see below), whose sum is σ = 53242306560. Its totient is φ = 29519265600.

The previous prime is 40265206283. The next prime is 40265206301. The reversal of 40265206289 is 98260256204.

It is not a de Polignac number, because 40265206289 - 2²⁸ = 39996770833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40265206283) 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, 78329 + ... + 294390.

It is an arithmetic number, because the mean of its divisors is an integer number (1663822080).

Almost surely, 2^40265206289 is an apocalyptic number.

It is an amenable number.

40265206289 is a deficient number, since it is larger than the sum of its proper divisors (12977100271).

40265206289 is a wasteful number, since it uses less digits than its factorization.

40265206289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372821.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 40265206289 in words is "forty billion, two hundred sixty-five million, two hundred six thousand, two hundred eighty-nine".