40130164 has 6 divisors (see below), whose sum is σ = 70227794. Its totient is φ = 20065080.

The previous prime is 40130143. The next prime is 40130197. The reversal of 40130164 is 46103104.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 26440164 + 13690000 = 5142^2 + 3700^2 .

It is a super-2 number, since 2×40130164² = 3220860125333792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5016267 + ... + 5016274.

Almost surely, 2^40130164 is an apocalyptic number.

It is an amenable number.

40130164 is a deficient number, since it is larger than the sum of its proper divisors (30097630).

40130164 is a wasteful number, since it uses less digits than its factorization.

40130164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10032545 (or 10032543 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 40130164 is about 6334.8373301925. The cubic root of 40130164 is about 342.3657498604.

Adding to 40130164 its reverse (46103104), we get a palindrome (86233268).

The spelling of 40130164 in words is "forty million, one hundred thirty thousand, one hundred sixty-four".