40263335264 has 24 divisors (see below), whose sum is σ = 79438210488. Its totient is φ = 20088551680.

The previous prime is 40263335261. The next prime is 40263335269. The reversal of 40263335264 is 46253336204.

It is a super-2 number, since 2×40263335264² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40263335261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1332197 + ... + 1362084.

It is an arithmetic number, because the mean of its divisors is an integer number (3309925437).

Almost surely, 2^40263335264 is an apocalyptic number.

It is an amenable number.

40263335264 is a deficient number, since it is larger than the sum of its proper divisors (39174875224).

40263335264 is a wasteful number, since it uses less digits than its factorization.

40263335264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2694758 (or 2694750 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 38.

The spelling of 40263335264 in words is "forty billion, two hundred sixty-three million, three hundred thirty-five thousand, two hundred sixty-four".