540222464 has 44 divisors (see below), whose sum is σ = 1143478764. Its totient is φ = 254214144.

The previous prime is 540222443. The next prime is 540222479. The reversal of 540222464 is 464222045.

It can be written as a sum of positive squares in 2 ways, for example, as 392356864 + 147865600 = 19808^2 + 12160^2 .

It is a super-2 number, since 2×540222464² = 583680621220462592, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1892 + ... + 32924.

Almost surely, 2^540222464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 540222464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (571739382).

540222464 is an abundant number, since it is smaller than the sum of its proper divisors (603256300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540222464 is a wasteful number, since it uses less digits than its factorization.

540222464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31070 (or 31052 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 540222464 is about 23242.6862475059. The cubic root of 540222464 is about 814.4370955887.

The spelling of 540222464 in words is "five hundred forty million, two hundred twenty-two thousand, four hundred sixty-four".