2257499369472 has 416 divisors, whose sum is σ = 6483906481920. Its totient is φ = 696464179200.

The previous prime is 2257499369449. The next prime is 2257499369473. The reversal of 2257499369472 is 2749639947522.

It is a junction number, because it is equal to n+sod(n) for n = 2257499369397 and 2257499369406.

It is not an unprimeable number, because it can be changed into a prime (2257499369473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1879682472 + ... + 1879683672.

Almost surely, 2^{2257499369472} 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 2257499369472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3241953240960).

2257499369472 is an abundant number, since it is smaller than the sum of its proper divisors (4226407112448).

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

2257499369472 is a wasteful number, since it uses less digits than its factorization.

2257499369472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427 (or 1405 counting only the distinct ones).

The product of its digits is 411505920, while the sum is 69.

The spelling of 2257499369472 in words is "two trillion, two hundred fifty-seven billion, four hundred ninety-nine million, three hundred sixty-nine thousand, four hundred seventy-two".