2562631402 has 16 divisors (see below), whose sum is σ = 3887772552. Its totient is φ = 1266764800.

The previous prime is 2562631381. The next prime is 2562631417. The reversal of 2562631402 is 2041362652.

It can be written as a sum of positive squares in 4 ways, for example, as 2099564041 + 463067361 = 45821^2 + 21519^2 .

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, 76488 + ... + 104764.

Almost surely, 2^2562631402 is an apocalyptic number.

2562631402 is a deficient number, since it is larger than the sum of its proper divisors (1325141150).

2562631402 is a wasteful number, since it uses less digits than its factorization.

2562631402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28793.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 2562631402 is about 50622.4397080978. The cubic root of 2562631402 is about 1368.4493087262.

The spelling of 2562631402 in words is "two billion, five hundred sixty-two million, six hundred thirty-one thousand, four hundred two".