235422211543440 has 80 divisors (see below), whose sum is σ = 730170686168448. Its totient is φ = 62748131217408.

The previous prime is 235422211543423. The next prime is 235422211543583. The reversal of 235422211543440 is 44345112224532.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 235422211543392 and 235422211543401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242680492 + ... + 243648651.

Almost surely, 2^{235422211543440} is an apocalyptic number.

235422211543440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235422211543440 is an abundant number, since it is smaller than the sum of its proper divisors (494748474625008).

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

235422211543440 is a wasteful number, since it uses less digits than its factorization.

235422211543440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486331176 (or 486331170 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 42.

Adding to 235422211543440 its reverse (44345112224532), we get a palindrome (279767323767972).

The spelling of 235422211543440 in words is "two hundred thirty-five trillion, four hundred twenty-two billion, two hundred eleven million, five hundred forty-three thousand, four hundred forty".