42302631556 has 12 divisors (see below), whose sum is σ = 74125877980. Its totient is φ = 21123809280.

The previous prime is 42302631551. The next prime is 42302631599. The reversal of 42302631556 is 65513620324.

It can be written as a sum of positive squares in 2 ways, for example, as 30276000000 + 12026631556 = 174000^2 + 109666^2 .

It is a super-2 number, since 2×42302631556² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42302631551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6873165 + ... + 6879316.

Almost surely, 2^42302631556 is an apocalyptic number.

It is an amenable number.

42302631556 is a deficient number, since it is larger than the sum of its proper divisors (31823246424).

42302631556 is a wasteful number, since it uses less digits than its factorization.

42302631556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13753254 (or 13753252 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 42302631556 in words is "forty-two billion, three hundred two million, six hundred thirty-one thousand, five hundred fifty-six".