40130940 has 48 divisors (see below), whose sum is σ = 115409952. Its totient is φ = 10411776.

The previous prime is 40130939. The next prime is 40130941. The reversal of 40130940 is 4903104.

40130940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40130939) and next prime (40130941).

It is a super-2 number, since 2×40130940² = 3220984690567200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40130941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6819 + ... + 11258.

It is an arithmetic number, because the mean of its divisors is an integer number (2404374).

Almost surely, 2^40130940 is an apocalyptic number.

It is an amenable number.

40130940 is an abundant number, since it is smaller than the sum of its proper divisors (75279012).

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

40130940 is a wasteful number, since it uses less digits than its factorization.

40130940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18126 (or 18124 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 40130940 is about 6334.8985785094. The cubic root of 40130940 is about 342.3679566303.

The spelling of 40130940 in words is "forty million, one hundred thirty thousand, nine hundred forty".