40152011 has 4 divisors (see below), whose sum is σ = 42513912. Its totient is φ = 37790112.

The previous prime is 40152001. The next prime is 40152041. The reversal of 40152011 is 11025104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40152011 - 2¹⁰ = 40150987 is a prime.

It is a super-2 number, since 2×40152011² = 3224367974688242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40152001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1180925 + ... + 1180958.

It is an arithmetic number, because the mean of its divisors is an integer number (10628478).

Almost surely, 2^40152011 is an apocalyptic number.

40152011 is a deficient number, since it is larger than the sum of its proper divisors (2361901).

40152011 is a wasteful number, since it uses less digits than its factorization.

40152011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361900.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 40152011 is about 6336.5614492404. The cubic root of 40152011 is about 342.4278669554.

Adding to 40152011 its reverse (11025104), we get a palindrome (51177115).

The spelling of 40152011 in words is "forty million, one hundred fifty-two thousand, eleven".