240082405 has 8 divisors (see below), whose sum is σ = 288190584. Its totient is φ = 192004800.

The previous prime is 240082363. The next prime is 240082417. The reversal of 240082405 is 504280042.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 45144961 + 194937444 = 6719^2 + 13962^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 240082405 - 2⁷ = 240082277 is a prime.

It is a super-2 number, since 2×240082405² = 115279122381168050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240082405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16675 + ... + 27535.

It is an arithmetic number, because the mean of its divisors is an integer number (36023823).

Almost surely, 2^240082405 is an apocalyptic number.

It is an amenable number.

240082405 is a deficient number, since it is larger than the sum of its proper divisors (48108179).

240082405 is a wasteful number, since it uses less digits than its factorization.

240082405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15287.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 240082405 is about 15494.5927665105. The cubic root of 240082405 is about 621.5176184671.

The spelling of 240082405 in words is "two hundred forty million, eighty-two thousand, four hundred five".