540422120 has 32 divisors (see below), whose sum is σ = 1389657600. Its totient is φ = 185287488.

The previous prime is 540422093. The next prime is 540422143. The reversal of 540422120 is 21224045.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 540422092 and 540422101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 964760 + ... + 965319.

It is an arithmetic number, because the mean of its divisors is an integer number (43426800).

Almost surely, 2^540422120 is an apocalyptic number.

It is an amenable number.

540422120 is an abundant number, since it is smaller than the sum of its proper divisors (849235480).

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

540422120 is a wasteful number, since it uses less digits than its factorization.

540422120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930097 (or 1930093 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 540422120 is about 23246.9808792454. The cubic root of 540422120 is about 814.5374167438.

Adding to 540422120 its reverse (21224045), we get a palindrome (561646165).

The spelling of 540422120 in words is "five hundred forty million, four hundred twenty-two thousand, one hundred twenty".