42551443275 has 48 divisors (see below), whose sum is σ = 81261906048. Its totient is φ = 19417408000.

The previous prime is 42551443243. The next prime is 42551443283. The reversal of 42551443275 is 57234415524.

It is a happy number.

It is not a de Polignac number, because 42551443275 - 2⁵ = 42551443243 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1502961 + ... + 1531010.

It is an arithmetic number, because the mean of its divisors is an integer number (1692956376).

Almost surely, 2^42551443275 is an apocalyptic number.

42551443275 is a deficient number, since it is larger than the sum of its proper divisors (38710462773).

42551443275 is a wasteful number, since it uses less digits than its factorization.

42551443275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3034012 (or 3034007 counting only the distinct ones).

The product of its digits is 672000, while the sum is 42.

Adding to 42551443275 its reverse (57234415524), we get a palindrome (99785858799).

The spelling of 42551443275 in words is "forty-two billion, five hundred fifty-one million, four hundred forty-three thousand, two hundred seventy-five".