42537000026 has 16 divisors (see below), whose sum is σ = 64192080744. Its totient is φ = 21139851264.

The previous prime is 42537000001. The next prime is 42537000043. The reversal of 42537000026 is 62000073524.

It is a Cunningham number, because it is equal to 206245²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 42537000025 + 1 = 206245^2 + 1^2 .

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, 354746 + ... + 459258.

Almost surely, 2^42537000026 is an apocalyptic number.

42537000026 is a deficient number, since it is larger than the sum of its proper divisors (21655080718).

42537000026 is a wasteful number, since it uses less digits than its factorization.

42537000026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105745.

The product of its (nonzero) digits is 10080, while the sum is 29.

The spelling of 42537000026 in words is "forty-two billion, five hundred thirty-seven million, twenty-six", and thus it is an aban number.