2457072344 has 8 divisors (see below), whose sum is σ = 4607010660. Its totient is φ = 1228536168.

The previous prime is 2457072341. The next prime is 2457072353. The reversal of 2457072344 is 4432707542.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2457072298 and 2457072307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2457072341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153567014 + ... + 153567029.

Almost surely, 2^2457072344 is an apocalyptic number.

It is an amenable number.

2457072344 is a deficient number, since it is larger than the sum of its proper divisors (2149938316).

2457072344 is a wasteful number, since it uses less digits than its factorization.

2457072344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307134049 (or 307134045 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 38.

The square root of 2457072344 is about 49568.8646632137. The cubic root of 2457072344 is about 1349.3956772083.

Adding to 2457072344 its reverse (4432707542), we get a palindrome (6889779886).

The spelling of 2457072344 in words is "two billion, four hundred fifty-seven million, seventy-two thousand, three hundred forty-four".