40230172 has 6 divisors (see below), whose sum is σ = 70402808. Its totient is φ = 20115084.

The previous prime is 40230161. The next prime is 40230191. The reversal of 40230172 is 27103204.

It is a super-3 number, since 3×40230172³ (a number of 24 digits) contains 333 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, 5028768 + ... + 5028775.

Almost surely, 2^40230172 is an apocalyptic number.

It is an amenable number.

40230172 is a deficient number, since it is larger than the sum of its proper divisors (30172636).

40230172 is a wasteful number, since it uses less digits than its factorization.

40230172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10057547 (or 10057545 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 40230172 is about 6342.7259124134. The cubic root of 40230172 is about 342.6499160779.

Adding to 40230172 its reverse (27103204), we get a palindrome (67333376).

The spelling of 40230172 in words is "forty million, two hundred thirty thousand, one hundred seventy-two".