40143670434 has 24 divisors (see below), whose sum is σ = 99403374720. Its totient is φ = 11469620088.

The previous prime is 40143670429. The next prime is 40143670447. The reversal of 40143670434 is 43407634104.

It is a super-2 number, since 2×40143670434² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159300154 + ... + 159300405.

It is an arithmetic number, because the mean of its divisors is an integer number (4141807280).

Almost surely, 2^40143670434 is an apocalyptic number.

40143670434 is an abundant number, since it is smaller than the sum of its proper divisors (59259704286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40143670434 is a wasteful number, since it uses less digits than its factorization.

40143670434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318600574 (or 318600571 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

It can be divided in two parts, 40143670 and 434, that added together give a palindrome (40144104).

The spelling of 40143670434 in words is "forty billion, one hundred forty-three million, six hundred seventy thousand, four hundred thirty-four".