540045402 has 32 divisors (see below), whose sum is σ = 1172355072. Its totient is φ = 164856384.

The previous prime is 540045397. The next prime is 540045431. The reversal of 540045402 is 204540045.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17353 + ... + 37164.

It is an arithmetic number, because the mean of its divisors is an integer number (36636096).

Almost surely, 2^540045402 is an apocalyptic number.

540045402 is an abundant number, since it is smaller than the sum of its proper divisors (632309670).

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

540045402 is a wasteful number, since it uses less digits than its factorization.

540045402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54662.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 540045402 is about 23238.8769522109. The cubic root of 540045402 is about 814.3481065590.

Adding to 540045402 its reverse (204540045), we get a palindrome (744585447).

The spelling of 540045402 in words is "five hundred forty million, forty-five thousand, four hundred two".