2236540432 has 40 divisors (see below), whose sum is σ = 4963628736. Its totient is φ = 956332416.

The previous prime is 2236540403. The next prime is 2236540433. The reversal of 2236540432 is 2340456322.

It is a super-2 number, since 2×2236540432² = 10004226207941493248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2236540394 and 2236540403.

It is not an unprimeable number, because it can be changed into a prime (2236540433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27078 + ... + 72154.

Almost surely, 2^2236540432 is an apocalyptic number.

It is an amenable number.

2236540432 is an abundant number, since it is smaller than the sum of its proper divisors (2727088304).

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

2236540432 is a wasteful number, since it uses less digits than its factorization.

2236540432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45535 (or 45529 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

The square root of 2236540432 is about 47292.0757844271. The cubic root of 2236540432 is about 1307.7525772155.

Adding to 2236540432 its reverse (2340456322), we get a palindrome (4576996754).

The spelling of 2236540432 in words is "two billion, two hundred thirty-six million, five hundred forty thousand, four hundred thirty-two".