236513442 has 48 divisors (see below), whose sum is σ = 522561312. Its totient is φ = 70774080.

The previous prime is 236513429. The next prime is 236513471. The reversal of 236513442 is 244315632.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 755478 + ... + 755790.

It is an arithmetic number, because the mean of its divisors is an integer number (10886694).

Almost surely, 2^236513442 is an apocalyptic number.

236513442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 236513442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261280656).

236513442 is an abundant number, since it is smaller than the sum of its proper divisors (286047870).

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

236513442 is a wasteful number, since it uses less digits than its factorization.

236513442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543 (or 436 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 236513442 is about 15378.9935301371. The cubic root of 236513442 is about 618.4224915491.

The spelling of 236513442 in words is "two hundred thirty-six million, five hundred thirteen thousand, four hundred forty-two".