540229540 has 12 divisors (see below), whose sum is σ = 1134482076. Its totient is φ = 216091808.

The previous prime is 540229537. The next prime is 540229561. The reversal of 540229540 is 45922045.

It can be written as a sum of positive squares in 2 ways, for example, as 172817316 + 367412224 = 13146^2 + 19168^2 .

It is a super-2 number, since 2×540229540² = 583695911777223200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13505719 + ... + 13505758.

It is an arithmetic number, because the mean of its divisors is an integer number (94540173).

Almost surely, 2^540229540 is an apocalyptic number.

It is an amenable number.

540229540 is an abundant number, since it is smaller than the sum of its proper divisors (594252536).

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

540229540 is a wasteful number, since it uses less digits than its factorization.

540229540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27011486 (or 27011484 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 540229540 is about 23242.8384669343. The cubic root of 540229540 is about 814.4406514891.

The spelling of 540229540 in words is "five hundred forty million, two hundred twenty-nine thousand, five hundred forty".