540550420 has 24 divisors (see below), whose sum is σ = 1161556704. Its totient is φ = 211191456.

The previous prime is 540550369. The next prime is 540550457. The reversal of 540550420 is 24055045.

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, 313414 + ... + 315133.

It is an arithmetic number, because the mean of its divisors is an integer number (48398196).

Almost surely, 2^540550420 is an apocalyptic number.

It is an amenable number.

540550420 is an abundant number, since it is smaller than the sum of its proper divisors (621006284).

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

540550420 is a wasteful number, since it uses less digits than its factorization.

540550420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628599 (or 628597 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 540550420 is about 23249.7402136024. The cubic root of 540550420 is about 814.6018706078.

The spelling of 540550420 in words is "five hundred forty million, five hundred fifty thousand, four hundred twenty".