40131054 has 12 divisors (see below), whose sum is σ = 86950656. Its totient is φ = 13377012.

The previous prime is 40131043. The next prime is 40131071. The reversal of 40131054 is 45013104.

It is a happy number.

It is a super-2 number, since 2×40131054² = 3221002990301832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2229503 = 40131054 / (4 + 0 + 1 + 3 + 1 + 0 + 5 + 4).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1114734 + ... + 1114769.

It is an arithmetic number, because the mean of its divisors is an integer number (7245888).

Almost surely, 2^40131054 is an apocalyptic number.

40131054 is an abundant number, since it is smaller than the sum of its proper divisors (46819602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40131054 is a wasteful number, since it uses less digits than its factorization.

40131054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229511 (or 2229508 counting only the distinct ones).

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

The square root of 40131054 is about 6334.9075762792. The cubic root of 40131054 is about 342.3682808183.

Adding to 40131054 its reverse (45013104), we get a palindrome (85144158).

The spelling of 40131054 in words is "forty million, one hundred thirty-one thousand, fifty-four".