540319626722 has 6 divisors (see below), whose sum is σ = 810480999393. Its totient is φ = 270159293592.

The previous prime is 540319626719. The next prime is 540319626727. The reversal of 540319626722 is 227626913045.

It can be written as a sum of positive squares in 2 ways, for example, as 325254636721 + 215064990001 = 570311^2 + 463751^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=519769.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540319626727) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 779654 + ... + 1299422.

Almost surely, 2^540319626722 is an apocalyptic number.

540319626722 is a deficient number, since it is larger than the sum of its proper divisors (270161372671).

540319626722 is an frugal number, since it uses more digits than its factorization.

540319626722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039540 (or 519771 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 540319626722 in words is "five hundred forty billion, three hundred nineteen million, six hundred twenty-six thousand, seven hundred twenty-two".