40420012195 has 16 divisors (see below), whose sum is σ = 48896241120. Its totient is φ = 32075495424.

The previous prime is 40420012187. The next prime is 40420012201. The reversal of 40420012195 is 59121002404.

It is a cyclic number.

It is not a de Polignac number, because 40420012195 - 2³ = 40420012187 is a prime.

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, 274501 + ... + 395209.

It is an arithmetic number, because the mean of its divisors is an integer number (3056015070).

Almost surely, 2^40420012195 is an apocalyptic number.

40420012195 is a deficient number, since it is larger than the sum of its proper divisors (8476228925).

40420012195 is a wasteful number, since it uses less digits than its factorization.

40420012195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121254.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 40420012195 its reverse (59121002404), we get a palindrome (99541014599).

The spelling of 40420012195 in words is "forty billion, four hundred twenty million, twelve thousand, one hundred ninety-five".