540471042 has 40 divisors (see below), whose sum is σ = 1239235536. Its totient is φ = 175965048.

The previous prime is 540471031. The next prime is 540471047. The reversal of 540471042 is 240174045.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 540470997 and 540471015.

It is not an unprimeable number, because it can be changed into a prime (540471047) 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 19 ways as a sum of consecutive naturals, for example, 31828 + ... + 45759.

Almost surely, 2^540471042 is an apocalyptic number.

540471042 is an abundant number, since it is smaller than the sum of its proper divisors (698764494).

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

540471042 is a wasteful number, since it uses less digits than its factorization.

540471042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77644 (or 77635 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 540471042 is about 23248.0330780907. The cubic root of 540471042 is about 814.5619948132.

The spelling of 540471042 in words is "five hundred forty million, four hundred seventy-one thousand, forty-two".