540671508 has 144 divisors (see below), whose sum is σ = 1532346816. Its totient is φ = 159667200.

The previous prime is 540671477. The next prime is 540671513. The reversal of 540671508 is 805176045.

540671508 is a `hidden beast` number, since 540 + 67 + 1 + 50 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1348108 + ... + 1348508.

Almost surely, 2^540671508 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 540671508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (766173408).

540671508 is an abundant number, since it is smaller than the sum of its proper divisors (991675308).

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

540671508 is a wasteful number, since it uses less digits than its factorization.

540671508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 540671508 is about 23252.3441398926. The cubic root of 540671508 is about 814.6626920368.

The spelling of 540671508 in words is "five hundred forty million, six hundred seventy-one thousand, five hundred eight".