236280540 has 96 divisors (see below), whose sum is σ = 683585280. Its totient is φ = 60940800.

The previous prime is 236280533. The next prime is 236280553. The reversal of 236280540 is 45082632.

It is a super-3 number, since 3×236280540³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 236280498 and 236280507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 341595 + ... + 342285.

It is an arithmetic number, because the mean of its divisors is an integer number (7120680).

Almost surely, 2^236280540 is an apocalyptic number.

236280540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 236280540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341792640).

236280540 is an abundant number, since it is smaller than the sum of its proper divisors (447304740).

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

236280540 is a wasteful number, since it uses less digits than its factorization.

236280540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883 (or 881 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 236280540 is about 15371.4195831094. The cubic root of 236280540 is about 618.2194317184.

The spelling of 236280540 in words is "two hundred thirty-six million, two hundred eighty thousand, five hundred forty".