235494840 has 64 divisors (see below), whose sum is σ = 807413760. Its totient is φ = 53827200.

The previous prime is 235494823. The next prime is 235494841. The reversal of 235494840 is 48494532.

235494840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235494841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139336 + ... + 141015.

It is an arithmetic number, because the mean of its divisors is an integer number (12615840).

Almost surely, 2^235494840 is an apocalyptic number.

235494840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235494840 is an abundant number, since it is smaller than the sum of its proper divisors (571918920).

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

235494840 is a wasteful number, since it uses less digits than its factorization.

235494840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280372 (or 280368 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 235494840 is about 15345.8411304171. The cubic root of 235494840 is about 617.5334189435.

The spelling of 235494840 in words is "two hundred thirty-five million, four hundred ninety-four thousand, eight hundred forty".