540322420 has 24 divisors (see below), whose sum is σ = 1237830048. Its totient is φ = 196480800.

The previous prime is 540322397. The next prime is 540322451. The reversal of 540322420 is 24223045.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 540322391 and 540322400.

It is a congruent number.

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, 1227786 + ... + 1228225.

It is an arithmetic number, because the mean of its divisors is an integer number (51576252).

Almost surely, 2^540322420 is an apocalyptic number.

It is an amenable number.

540322420 is an abundant number, since it is smaller than the sum of its proper divisors (697507628).

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

540322420 is a wasteful number, since it uses less digits than its factorization.

540322420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2456031 (or 2456029 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 540322420 is about 23244.8364158580. The cubic root of 540322420 is about 814.4873235716.

Adding to 540322420 its reverse (24223045), we get a palindrome (564545465).

The spelling of 540322420 in words is "five hundred forty million, three hundred twenty-two thousand, four hundred twenty".