42126056434 has 32 divisors (see below), whose sum is σ = 79517500416. Its totient is φ = 16259352720.

The previous prime is 42126056411. The next prime is 42126056447. The reversal of 42126056434 is 43465062124.

It is a junction number, because it is equal to n+sod(n) for n = 42126056393 and 42126056402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1261774 + ... + 1294729.

It is an arithmetic number, because the mean of its divisors is an integer number (2484921888).

Almost surely, 2^42126056434 is an apocalyptic number.

42126056434 is a deficient number, since it is larger than the sum of its proper divisors (37391443982).

42126056434 is a wasteful number, since it uses less digits than its factorization.

42126056434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556630.

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 42126056434 in words is "forty-two billion, one hundred twenty-six million, fifty-six thousand, four hundred thirty-four".