40270172 has 12 divisors (see below), whose sum is σ = 70584360. Its totient is φ = 20103216.

The previous prime is 40270157. The next prime is 40270207. The reversal of 40270172 is 27107204.

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, 5003 + ... + 10274.

It is an arithmetic number, because the mean of its divisors is an integer number (5882030).

Almost surely, 2^40270172 is an apocalyptic number.

It is an amenable number.

40270172 is a deficient number, since it is larger than the sum of its proper divisors (30314188).

40270172 is a wasteful number, since it uses less digits than its factorization.

40270172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15940 (or 15938 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 40270172 is about 6345.8783474000. The cubic root of 40270172 is about 342.7634416231.

Adding to 40270172 its reverse (27107204), we get a palindrome (67377376).

The spelling of 40270172 in words is "forty million, two hundred seventy thousand, one hundred seventy-two".