4917926227440 has 80 divisors (see below), whose sum is σ = 15245784484128. Its totient is φ = 1311428656128.

The previous prime is 4917926227427. The next prime is 4917926227447. The reversal of 4917926227440 is 447226297194.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4917926227447) 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, 32919954 + ... + 33069006.

Almost surely, 2^{4917926227440} is an apocalyptic number.

4917926227440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4917926227440 is an abundant number, since it is smaller than the sum of its proper divisors (10327858256688).

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

4917926227440 is a wasteful number, since it uses less digits than its factorization.

4917926227440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286546 (or 286540 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 57.

The spelling of 4917926227440 in words is "four trillion, nine hundred seventeen billion, nine hundred twenty-six million, two hundred twenty-seven thousand, four hundred forty".