236145403040 has 24 divisors (see below), whose sum is σ = 557893515060. Its totient is φ = 94458161152.

The previous prime is 236145403031. The next prime is 236145403061. The reversal of 236145403040 is 40304541632.

It can be written as a sum of positive squares in 2 ways, for example, as 211007934736 + 25137468304 = 459356^2 + 158548^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 236145402988 and 236145403006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 737954225 + ... + 737954544.

Almost surely, 2^236145403040 is an apocalyptic number.

236145403040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

236145403040 is an abundant number, since it is smaller than the sum of its proper divisors (321748112020).

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

236145403040 is a wasteful number, since it uses less digits than its factorization.

236145403040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475908784 (or 1475908776 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 236145403040 its reverse (40304541632), we get a palindrome (276449944672).

The spelling of 236145403040 in words is "two hundred thirty-six billion, one hundred forty-five million, four hundred three thousand, forty".