540641915 has 24 divisors (see below), whose sum is σ = 715614480. Its totient is φ = 391814720.

The previous prime is 540641909. The next prime is 540641917. The reversal of 540641915 is 519146045.

It is not a de Polignac number, because 540641915 - 2⁶ = 540641851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540641917) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190376 + ... + 193194.

It is an arithmetic number, because the mean of its divisors is an integer number (29817270).

Almost surely, 2^540641915 is an apocalyptic number.

540641915 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

540641915 is a deficient number, since it is larger than the sum of its proper divisors (174972565).

540641915 is a wasteful number, since it uses less digits than its factorization.

540641915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3163 (or 3152 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 540641915 is about 23251.7077867412. The cubic root of 540641915 is about 814.6478285738.

The spelling of 540641915 in words is "five hundred forty million, six hundred forty-one thousand, nine hundred fifteen".