540266440 has 32 divisors (see below), whose sum is σ = 1389257280. Its totient is φ = 185234112.

The previous prime is 540266423. The next prime is 540266459. The reversal of 540266440 is 44662045.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 964482 + ... + 965041.

It is an arithmetic number, because the mean of its divisors is an integer number (43414290).

Almost surely, 2^540266440 is an apocalyptic number.

It is an amenable number.

540266440 is an abundant number, since it is smaller than the sum of its proper divisors (848990840).

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

540266440 is a wasteful number, since it uses less digits than its factorization.

540266440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929541 (or 1929537 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 540266440 is about 23243.6322462734. The cubic root of 540266440 is about 814.4591943328.

The spelling of 540266440 in words is "five hundred forty million, two hundred sixty-six thousand, four hundred forty".