540217782 has 32 divisors (see below), whose sum is σ = 1292830560. Its totient is φ = 166220640.

The previous prime is 540217757. The next prime is 540217793. The reversal of 540217782 is 287712045.

540217782 is a `hidden beast` number, since 5 + 402 + 177 + 82 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384069 + ... + 385472.

It is an arithmetic number, because the mean of its divisors is an integer number (40400955).

Almost surely, 2^540217782 is an apocalyptic number.

540217782 is an abundant number, since it is smaller than the sum of its proper divisors (752612778).

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

540217782 is a wasteful number, since it uses less digits than its factorization.

540217782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769565 (or 769559 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 540217782 is about 23242.5855274322. The cubic root of 540217782 is about 814.4347427275.

The spelling of 540217782 in words is "five hundred forty million, two hundred seventeen thousand, seven hundred eighty-two".