235435540 has 24 divisors (see below), whose sum is σ = 503745480. Its totient is φ = 92396928.

The previous prime is 235435513. The next prime is 235435589. The reversal of 235435540 is 45534532.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 64192144 + 171243396 = 8012^2 + 13086^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109995 + ... + 112114.

It is an arithmetic number, because the mean of its divisors is an integer number (20989395).

Almost surely, 2^235435540 is an apocalyptic number.

235435540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235435540 is an abundant number, since it is smaller than the sum of its proper divisors (268309940).

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

235435540 is a wasteful number, since it uses less digits than its factorization.

235435540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222171 (or 222169 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 235435540 is about 15343.9088891977. The cubic root of 235435540 is about 617.4815808566.

The spelling of 235435540 in words is "two hundred thirty-five million, four hundred thirty-five thousand, five hundred forty".