540261442 has 16 divisors (see below), whose sum is σ = 937323072. Its totient is φ = 228750480.

The previous prime is 540261439. The next prime is 540261563. The reversal of 540261442 is 244162045.

It is a self number, because there is not a number n which added to its sum of digits gives 540261442.

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, 231309 + ... + 233632.

It is an arithmetic number, because the mean of its divisors is an integer number (58582692).

Almost surely, 2^540261442 is an apocalyptic number.

540261442 is a deficient number, since it is larger than the sum of its proper divisors (397061630).

540261442 is a wasteful number, since it uses less digits than its factorization.

540261442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465033.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 540261442 is about 23243.5247327078. The cubic root of 540261442 is about 814.4566828068.

The spelling of 540261442 in words is "five hundred forty million, two hundred sixty-one thousand, four hundred forty-two".