540287878 has 8 divisors (see below), whose sum is σ = 872772768. Its totient is φ = 249363624.

The previous prime is 540287861. The next prime is 540287887. The reversal of 540287878 is 878782045.

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

It is a super-2 number, since 2×540287878² = 583821982227485768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10390126 + ... + 10390177.

It is an arithmetic number, because the mean of its divisors is an integer number (109096596).

Almost surely, 2^540287878 is an apocalyptic number.

540287878 is a deficient number, since it is larger than the sum of its proper divisors (332484890).

540287878 is a wasteful number, since it uses less digits than its factorization.

540287878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20780318.

The product of its (nonzero) digits is 1003520, while the sum is 49.

The square root of 540287878 is about 23244.0934002598. The cubic root of 540287878 is about 814.4699668850.

The spelling of 540287878 in words is "five hundred forty million, two hundred eighty-seven thousand, eight hundred seventy-eight".