235418994816 has 64 divisors (see below), whose sum is σ = 628015770720. Its totient is φ = 78136174592.

The previous prime is 235418994793. The next prime is 235418994851. The reversal of 235418994816 is 618499814532.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-3 number, since 3×235418994816³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 235418994816.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1226130 + ... + 1405073.

Almost surely, 2^235418994816 is an apocalyptic number.

It is an amenable number.

235418994816 is an abundant number, since it is smaller than the sum of its proper divisors (392596775904).

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

235418994816 is a wasteful number, since it uses less digits than its factorization.

235418994816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631453 (or 2631441 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 60.

The spelling of 235418994816 in words is "two hundred thirty-five billion, four hundred eighteen million, nine hundred ninety-four thousand, eight hundred sixteen".