2457122430 has 128 divisors (see below), whose sum is σ = 7068819456. Its totient is φ = 534441600.

The previous prime is 2457122429. The next prime is 2457122431. The reversal of 2457122430 is 342217542.

It is an interprime number because it is at equal distance from previous prime (2457122429) and next prime (2457122431).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2457122431) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1017925 + ... + 1020335.

It is an arithmetic number, because the mean of its divisors is an integer number (55225152).

Almost surely, 2^2457122430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2457122430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3534409728).

2457122430 is an abundant number, since it is smaller than the sum of its proper divisors (4611697026).

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

2457122430 is a wasteful number, since it uses less digits than its factorization.

2457122430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 2457122430 is about 49569.3698769714. The cubic root of 2457122430 is about 1349.4048460297.

Adding to 2457122430 its reverse (342217542), we get a palindrome (2799339972).

The spelling of 2457122430 in words is "two billion, four hundred fifty-seven million, one hundred twenty-two thousand, four hundred thirty".