2497257919422 has 192 divisors, whose sum is σ = 6681291402240. Its totient is φ = 658138867200.

The previous prime is 2497257919399. The next prime is 2497257919451. The reversal of 2497257919422 is 2249197527942.

2497257919422 is a `hidden beast` number, since 2 + 4 + 9 + 7 + 2 + 579 + 19 + 42 + 2 = 666.

It is a super-2 number, since 2×2497257919422² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 2497257919422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 49346172 + ... + 49396752.

It is an arithmetic number, because the mean of its divisors is an integer number (34798392720).

Almost surely, 2^{2497257919422} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2497257919422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3340645701120).

2497257919422 is an abundant number, since it is smaller than the sum of its proper divisors (4184033482818).

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

2497257919422 is a wasteful number, since it uses less digits than its factorization.

2497257919422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51159 (or 51156 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 63.

The spelling of 2497257919422 in words is "two trillion, four hundred ninety-seven billion, two hundred fifty-seven million, nine hundred nineteen thousand, four hundred twenty-two".