42670436085 has 24 divisors (see below), whose sum is σ = 73999617120. Its totient is φ = 22746018912.

The previous prime is 42670436071. The next prime is 42670436117. The reversal of 42670436085 is 58063407624.

It is not a de Polignac number, because 42670436085 - 2⁷ = 42670435957 is a prime.

It is a super-2 number, since 2×42670436085² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 42670436085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150519 + ... + 328628.

It is an arithmetic number, because the mean of its divisors is an integer number (3083317380).

Almost surely, 2^42670436085 is an apocalyptic number.

42670436085 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42670436085 is a deficient number, since it is larger than the sum of its proper divisors (31329181035).

42670436085 is a wasteful number, since it uses less digits than its factorization.

42670436085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481137 (or 481134 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 42670436085 in words is "forty-two billion, six hundred seventy million, four hundred thirty-six thousand, eighty-five".