40281263365 has 32 divisors (see below), whose sum is σ = 55407559680. Its totient is φ = 27539253504.

The previous prime is 40281263359. The next prime is 40281263401. The reversal of 40281263365 is 56336218204.

It is not a de Polignac number, because 40281263365 - 2³ = 40281263357 is a prime.

It is a super-2 number, since 2×40281263365² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25445364 + ... + 25446946.

It is an arithmetic number, because the mean of its divisors is an integer number (1731486240).

Almost surely, 2^40281263365 is an apocalyptic number.

It is an amenable number.

40281263365 is a deficient number, since it is larger than the sum of its proper divisors (15126296315).

40281263365 is a wasteful number, since it uses less digits than its factorization.

40281263365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3301.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 40281263365 in words is "forty billion, two hundred eighty-one million, two hundred sixty-three thousand, three hundred sixty-five".