236145432440 has 32 divisors (see below), whose sum is σ = 531463222080. Its totient is φ = 94433995392.

The previous prime is 236145432361. The next prime is 236145432443. The reversal of 236145432440 is 44234541632.

It is a junction number, because it is equal to n+sod(n) for n = 236145432394 and 236145432403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (236145432443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596912 + ... + 910271.

It is an arithmetic number, because the mean of its divisors is an integer number (16608225690).

Almost surely, 2^236145432440 is an apocalyptic number.

236145432440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

236145432440 is an abundant number, since it is smaller than the sum of its proper divisors (295317789640).

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

236145432440 is a wasteful number, since it uses less digits than its factorization.

236145432440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511111 (or 1511107 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 38.

The spelling of 236145432440 in words is "two hundred thirty-six billion, one hundred forty-five million, four hundred thirty-two thousand, four hundred forty".