2451626242 has 16 divisors (see below), whose sum is σ = 4056914232. Its totient is φ = 1103921280.

The previous prime is 2451626231. The next prime is 2451626249. The reversal of 2451626242 is 2426261542.

It can be written as a sum of positive squares in 4 ways, for example, as 284630641 + 2166995601 = 16871^2 + 46551^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2451626198 and 2451626207.

It is not an unprimeable number, because it can be changed into a prime (2451626249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1148853 + ... + 1150984.

Almost surely, 2^2451626242 is an apocalyptic number.

2451626242 is a deficient number, since it is larger than the sum of its proper divisors (1605287990).

2451626242 is a wasteful number, since it uses less digits than its factorization.

2451626242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299893.

The product of its digits is 46080, while the sum is 34.

The square root of 2451626242 is about 49513.8994828725. The cubic root of 2451626242 is about 1348.3979609820.

Adding to 2451626242 its reverse (2426261542), we get a palindrome (4877887784).

The spelling of 2451626242 in words is "two billion, four hundred fifty-one million, six hundred twenty-six thousand, two hundred forty-two".