540150399 has 12 divisors (see below), whose sum is σ = 780499512. Its totient is φ = 359970000.

The previous prime is 540150389. The next prime is 540150407. The reversal of 540150399 is 993051045.

It is not a de Polignac number, because 540150399 - 2⁷ = 540150271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540150329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20029 + ... + 38489.

It is an arithmetic number, because the mean of its divisors is an integer number (65041626).

Almost surely, 2^540150399 is an apocalyptic number.

540150399 is a deficient number, since it is larger than the sum of its proper divisors (240349113).

540150399 is a wasteful number, since it uses less digits than its factorization.

540150399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21718 (or 21715 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 540150399 is about 23241.1359231859. The cubic root of 540150399 is about 814.4008790155.

The spelling of 540150399 in words is "five hundred forty million, one hundred fifty thousand, three hundred ninety-nine".