540007810322 has 6 divisors (see below), whose sum is σ = 810013274343. Its totient is φ = 270003385542.

The previous prime is 540007810261. The next prime is 540007810367. The reversal of 540007810322 is 223018700045.

It can be written as a sum of positive squares in only one way, i.e., 270003905161 + 270003905161 = 519619^2 + 519619^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=519619.

It is a super-2 number, since 2×540007810322² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 779429 + ... + 1299047.

Almost surely, 2^540007810322 is an apocalyptic number.

540007810322 is a deficient number, since it is larger than the sum of its proper divisors (270005464021).

540007810322 is an frugal number, since it uses more digits than its factorization.

540007810322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039240 (or 519621 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

Multiplying 540007810322 by its sum of digits (32), we get a square (17280249930304 = 4156952²).

The spelling of 540007810322 in words is "five hundred forty billion, seven million, eight hundred ten thousand, three hundred twenty-two".