4288781093440 has 112 divisors (see below), whose sum is σ = 10230053801472. Its totient is φ = 1712593022976.

The previous prime is 4288781093419. The next prime is 4288781093449. The reversal of 4288781093440 is 443901878824.

It is a super-2 number, since 2×4288781093440² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4288781093449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 747562252 + ... + 747567988.

Almost surely, 2^{4288781093440} is an apocalyptic number.

4288781093440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4288781093440 is an abundant number, since it is smaller than the sum of its proper divisors (5941272708032).

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

4288781093440 is a wasteful number, since it uses less digits than its factorization.

4288781093440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9324 (or 9314 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 58.

The spelling of 4288781093440 in words is "four trillion, two hundred eighty-eight billion, seven hundred eighty-one million, ninety-three thousand, four hundred forty".