540049878 has 12 divisors (see below), whose sum is σ = 1170108108. Its totient is φ = 180016620.

The previous prime is 540049837. The next prime is 540049879. The reversal of 540049878 is 878940045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540049879) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15001368 + ... + 15001403.

It is an arithmetic number, because the mean of its divisors is an integer number (97509009).

Almost surely, 2^540049878 is an apocalyptic number.

540049878 is an abundant number, since it is smaller than the sum of its proper divisors (630058230).

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

540049878 is a wasteful number, since it uses less digits than its factorization.

540049878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30002779 (or 30002776 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 540049878 is about 23238.9732561488. The cubic root of 540049878 is about 814.3503563773.

It can be divided in two parts, 5400 and 49878, that added together give a triangular number (55278 = T₃₃₂).

The spelling of 540049878 in words is "five hundred forty million, forty-nine thousand, eight hundred seventy-eight".