540634940 has 48 divisors (see below), whose sum is σ = 1154291040. Its totient is φ = 212674560.

The previous prime is 540634933. The next prime is 540634951. The reversal of 540634940 is 49436045.

540634940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×540634940² = 584572276697607200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 540634940.

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, 313280 + ... + 315000.

It is an arithmetic number, because the mean of its divisors is an integer number (24047730).

Almost surely, 2^540634940 is an apocalyptic number.

It is an amenable number.

540634940 is an abundant number, since it is smaller than the sum of its proper divisors (613656100).

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

540634940 is a wasteful number, since it uses less digits than its factorization.

540634940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982 (or 1980 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 540634940 is about 23251.5577972746. The cubic root of 540634940 is about 814.6443252118.

The spelling of 540634940 in words is "five hundred forty million, six hundred thirty-four thousand, nine hundred forty".