40154011 has 4 divisors (see below), whose sum is σ = 42267400. Its totient is φ = 38040624.

The previous prime is 40154003. The next prime is 40154029. The reversal of 40154011 is 11045104.

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 40154011 - 2³ = 40154003 is a prime.

It is a super-2 number, since 2×40154011² = 3224689198776242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40154111) 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, 1056666 + ... + 1056703.

It is an arithmetic number, because the mean of its divisors is an integer number (10566850).

Almost surely, 2^40154011 is an apocalyptic number.

40154011 is a deficient number, since it is larger than the sum of its proper divisors (2113389).

40154011 is a wasteful number, since it uses less digits than its factorization.

40154011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113388.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 40154011 is about 6336.7192615738. The cubic root of 40154011 is about 342.4335523856.

Adding to 40154011 its reverse (11045104), we get a palindrome (51199115).

The spelling of 40154011 in words is "forty million, one hundred fifty-four thousand, eleven".