540307778 has 8 divisors (see below), whose sum is σ = 813853440. Its totient is φ = 269023300.

The previous prime is 540307777. The next prime is 540307793. The reversal of 540307778 is 877703045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (540307777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564698 + ... + 565653.

It is an arithmetic number, because the mean of its divisors is an integer number (101731680).

Almost surely, 2^540307778 is an apocalyptic number.

540307778 is a deficient number, since it is larger than the sum of its proper divisors (273545662).

540307778 is a wasteful number, since it uses less digits than its factorization.

540307778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130592.

The product of its (nonzero) digits is 164640, while the sum is 41.

The square root of 540307778 is about 23244.5214620564. The cubic root of 540307778 is about 814.4799663402.

The spelling of 540307778 in words is "five hundred forty million, three hundred seven thousand, seven hundred seventy-eight".