540391740 has 48 divisors (see below), whose sum is σ = 1729254912. Its totient is φ = 123518016.

The previous prime is 540391729. The next prime is 540391777. The reversal of 540391740 is 47193045.

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, 642904 + ... + 643743.

It is an arithmetic number, because the mean of its divisors is an integer number (36026144).

Almost surely, 2^540391740 is an apocalyptic number.

It is an amenable number.

540391740 is an abundant number, since it is smaller than the sum of its proper divisors (1188863172).

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

540391740 is a wasteful number, since it uses less digits than its factorization.

540391740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286666 (or 1286664 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 540391740 is about 23246.3274518794. The cubic root of 540391740 is about 814.5221532985.

The spelling of 540391740 in words is "five hundred forty million, three hundred ninety-one thousand, seven hundred forty".