538926540 has 24 divisors (see below), whose sum is σ = 1508994480. Its totient is φ = 143713728.

The previous prime is 538926529. The next prime is 538926541. The reversal of 538926540 is 45629835.

538926540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 538926492 and 538926501.

It is not an unprimeable number, because it can be changed into a prime (538926541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4490995 + ... + 4491114.

It is an arithmetic number, because the mean of its divisors is an integer number (62874770).

Almost surely, 2^538926540 is an apocalyptic number.

It is an amenable number.

538926540 is an abundant number, since it is smaller than the sum of its proper divisors (970067940).

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

538926540 is a wasteful number, since it uses less digits than its factorization.

538926540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8982121 (or 8982119 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 538926540 is about 23214.7914054811. The cubic root of 538926540 is about 813.7853309688.

The spelling of 538926540 in words is "five hundred thirty-eight million, nine hundred twenty-six thousand, five hundred forty".