40511146 has 16 divisors (see below), whose sum is σ = 65614248. Its totient is φ = 18648000.

The previous prime is 40511143. The next prime is 40511147. The reversal of 40511146 is 64111504.

It can be written as a sum of positive squares in 4 ways, for example, as 12006225 + 28504921 = 3465^2 + 5339^2 .

It is not an unprimeable number, because it can be changed into a prime (40511143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9096 + ... + 12796.

Almost surely, 2^40511146 is an apocalyptic number.

40511146 is a deficient number, since it is larger than the sum of its proper divisors (25103102).

40511146 is a wasteful number, since it uses less digits than its factorization.

40511146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4137.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 40511146 is about 6364.8366829008. The cubic root of 40511146 is about 343.4457735429.

The spelling of 40511146 in words is "forty million, five hundred eleven thousand, one hundred forty-six".