540806214 has 32 divisors (see below), whose sum is σ = 1165782240. Its totient is φ = 166263552.

The previous prime is 540806197. The next prime is 540806221. The reversal of 540806214 is 412608045.

It is a super-2 number, since 2×540806214² = 584942722202027592, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131274 + ... + 135330.

It is an arithmetic number, because the mean of its divisors is an integer number (36430695).

Almost surely, 2^540806214 is an apocalyptic number.

540806214 is an abundant number, since it is smaller than the sum of its proper divisors (624976026).

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

540806214 is a wasteful number, since it uses less digits than its factorization.

540806214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5784.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 540806214 is about 23255.2405706757. The cubic root of 540806214 is about 814.7303429971.

The spelling of 540806214 in words is "five hundred forty million, eight hundred six thousand, two hundred fourteen".