540200899 has 4 divisors (see below), whose sum is σ = 617372464. Its totient is φ = 463029336.

The previous prime is 540200861. The next prime is 540200909. The reversal of 540200899 is 998002045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 998002045 = 5 ⋅199600409.

It is not a de Polignac number, because 540200899 - 2⁹ = 540200387 is a prime.

It is a super-2 number, since 2×540200899² = 583634022560816402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540200809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38585772 + ... + 38585785.

It is an arithmetic number, because the mean of its divisors is an integer number (154343116).

Almost surely, 2^540200899 is an apocalyptic number.

540200899 is a deficient number, since it is larger than the sum of its proper divisors (77171565).

540200899 is an equidigital number, since it uses as much as digits as its factorization.

540200899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77171564.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 540200899 is about 23242.2223335033. Note that the first 3 decimals coincide. The cubic root of 540200899 is about 814.4262583437.

The spelling of 540200899 in words is "five hundred forty million, two hundred thousand, eight hundred ninety-nine".