40272146 has 8 divisors (see below), whose sum is σ = 61173120. Its totient is φ = 19881108.

The previous prime is 40272137. The next prime is 40272251. The reversal of 40272146 is 64127204.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 127286 + ... + 127601.

It is an arithmetic number, because the mean of its divisors is an integer number (7646640).

Almost surely, 2^40272146 is an apocalyptic number.

40272146 is a deficient number, since it is larger than the sum of its proper divisors (20900974).

40272146 is a wasteful number, since it uses less digits than its factorization.

40272146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254968.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 40272146 is about 6346.0338795188. The cubic root of 40272146 is about 342.7690421618.

The spelling of 40272146 in words is "forty million, two hundred seventy-two thousand, one hundred forty-six".