40234406164 has 12 divisors (see below), whose sum is σ = 72838149300. Its totient is φ = 19423506368.

The previous prime is 40234406153. The next prime is 40234406231. The reversal of 40234406164 is 46160443204.

It can be written as a sum of positive squares in 2 ways, for example, as 26520122500 + 13714283664 = 162850^2 + 117108^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173424049 + ... + 173424280.

It is an arithmetic number, because the mean of its divisors is an integer number (6069845775).

Almost surely, 2^40234406164 is an apocalyptic number.

It is an amenable number.

40234406164 is a deficient number, since it is larger than the sum of its proper divisors (32603743136).

40234406164 is a wasteful number, since it uses less digits than its factorization.

40234406164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346848362 (or 346848360 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 40234406164 its reverse (46160443204), we get a palindrome (86394849368).

The spelling of 40234406164 in words is "forty billion, two hundred thirty-four million, four hundred six thousand, one hundred sixty-four".