40054131 has 12 divisors (see below), whose sum is σ = 62306608. Its totient is φ = 24648624.

The previous prime is 40054117. The next prime is 40054177. The reversal of 40054131 is 13145004.

It is a happy number.

It is not a de Polignac number, because 40054131 - 2⁵ = 40054099 is a prime.

It is a super-2 number, since 2×40054131² = 3208666820330322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40053131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171055 + ... + 171288.

Almost surely, 2^40054131 is an apocalyptic number.

40054131 is a deficient number, since it is larger than the sum of its proper divisors (22252477).

40054131 is a wasteful number, since it uses less digits than its factorization.

40054131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342362 (or 342359 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 40054131 is about 6328.8333048043. The cubic root of 40054131 is about 342.1493909771.

Adding to 40054131 its reverse (13145004), we get a palindrome (53199135).

The spelling of 40054131 in words is "forty million, fifty-four thousand, one hundred thirty-one".