538916140 has 24 divisors (see below), whose sum is σ = 1293399072. Its totient is φ = 184771200.

The previous prime is 538916123. The next prime is 538916141. The reversal of 538916140 is 41619835.

It is a self number, because there is not a number n which added to its sum of digits gives 538916140.

It is not an unprimeable number, because it can be changed into a prime (538916141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1924561 + ... + 1924840.

It is an arithmetic number, because the mean of its divisors is an integer number (53891628).

Almost surely, 2^538916140 is an apocalyptic number.

It is an amenable number.

538916140 is an abundant number, since it is smaller than the sum of its proper divisors (754482932).

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

538916140 is a wasteful number, since it uses less digits than its factorization.

538916140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3849417 (or 3849415 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 538916140 is about 23214.5674092799. The cubic root of 538916140 is about 813.7800962282.

It can be divided in two parts, 53891 and 6140, that added together give a triangular number (60031 = T₃₄₆).

The spelling of 538916140 in words is "five hundred thirty-eight million, nine hundred sixteen thousand, one hundred forty".