540402115 has 16 divisors (see below), whose sum is σ = 712535040. Its totient is φ = 390186720.

The previous prime is 540402097. The next prime is 540402133. The reversal of 540402115 is 511204045.

It is an interprime number because it is at equal distance from previous prime (540402097) and next prime (540402133).

It is not a de Polignac number, because 540402115 - 2⁷ = 540401987 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27699 + ... + 42988.

It is an arithmetic number, because the mean of its divisors is an integer number (44533440).

Almost surely, 2^540402115 is an apocalyptic number.

540402115 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

540402115 is a deficient number, since it is larger than the sum of its proper divisors (172132925).

540402115 is a wasteful number, since it uses less digits than its factorization.

540402115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70842.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 540402115 is about 23246.5506043370. The cubic root of 540402115 is about 814.5273659449.

The spelling of 540402115 in words is "five hundred forty million, four hundred two thousand, one hundred fifteen".