540526388 has 12 divisors (see below), whose sum is σ = 946281252. Its totient is φ = 270160320.

The previous prime is 540526361. The next prime is 540526391. The reversal of 540526388 is 883625045.

It can be written as a sum of positive squares in 2 ways, for example, as 120604324 + 419922064 = 10982^2 + 20492^2 .

It is a super-2 number, since 2×540526388² = 584337552248653088, 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, 13223 + ... + 35438.

It is an arithmetic number, because the mean of its divisors is an integer number (78856771).

Almost surely, 2^540526388 is an apocalyptic number.

It is an amenable number.

540526388 is a deficient number, since it is larger than the sum of its proper divisors (405754864).

540526388 is a wasteful number, since it uses less digits than its factorization.

540526388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51442 (or 51440 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 41.

The square root of 540526388 is about 23249.2233848789. The cubic root of 540526388 is about 814.5897984671.

The spelling of 540526388 in words is "five hundred forty million, five hundred twenty-six thousand, three hundred eighty-eight".