40263264321 has 64 divisors (see below), whose sum is σ = 67071836160. Its totient is φ = 20957322240.

The previous prime is 40263264271. The next prime is 40263264329. The reversal of 40263264321 is 12346236204.

It is not a de Polignac number, because 40263264321 - 2¹⁰ = 40263263297 is a prime.

It is a super-2 number, since 2×40263264321² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40263264329) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2514940 + ... + 2530898.

It is an arithmetic number, because the mean of its divisors is an integer number (1047997440).

Almost surely, 2^40263264321 is an apocalyptic number.

It is an amenable number.

40263264321 is a deficient number, since it is larger than the sum of its proper divisors (26808571839).

40263264321 is a wasteful number, since it uses less digits than its factorization.

40263264321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16214.

The product of its (nonzero) digits is 41472, while the sum is 33.

The spelling of 40263264321 in words is "forty billion, two hundred sixty-three million, two hundred sixty-four thousand, three hundred twenty-one".