2493227856 has 80 divisors (see below), whose sum is σ = 7378388864. Its totient is φ = 710664192.

The previous prime is 2493227851. The next prime is 2493227873. The reversal of 2493227856 is 6587223942.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2493227851) 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, 136920 + ... + 154056.

Almost surely, 2^2493227856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2493227856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3689194432).

2493227856 is an abundant number, since it is smaller than the sum of its proper divisors (4885161008).

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

2493227856 is a wasteful number, since it uses less digits than its factorization.

2493227856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17588 (or 17582 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The square root of 2493227856 is about 49932.2326358436. The cubic root of 2493227856 is about 1355.9822049335.

The spelling of 2493227856 in words is "two billion, four hundred ninety-three million, two hundred twenty-seven thousand, eight hundred fifty-six".