2457639452 has 24 divisors (see below), whose sum is σ = 4592703360. Its totient is φ = 1148172480.

The previous prime is 2457639449. The next prime is 2457639461. The reversal of 2457639452 is 2549367542.

It is a junction number, because it is equal to n+sod(n) for n = 2457639397 and 2457639406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338123 + ... + 345314.

It is an arithmetic number, because the mean of its divisors is an integer number (191362640).

Almost surely, 2^2457639452 is an apocalyptic number.

It is an amenable number.

2457639452 is a deficient number, since it is larger than the sum of its proper divisors (2135063908).

2457639452 is a wasteful number, since it uses less digits than its factorization.

2457639452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683501 (or 683499 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 47.

The square root of 2457639452 is about 49574.5847385533. The cubic root of 2457639452 is about 1349.4994856042.

The spelling of 2457639452 in words is "two billion, four hundred fifty-seven million, six hundred thirty-nine thousand, four hundred fifty-two".