40540130 has 16 divisors (see below), whose sum is σ = 73047744. Its totient is φ = 16199280.

The previous prime is 40540127. The next prime is 40540133. The reversal of 40540130 is 3104504.

It is an interprime number because it is at equal distance from previous prime (40540127) and next prime (40540133).

It is a super-3 number, since 3×40540130³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40540099 and 40540108.

It is not an unprimeable number, because it can be changed into a prime (40540133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13769 + ... + 16451.

It is an arithmetic number, because the mean of its divisors is an integer number (4565484).

Almost surely, 2^40540130 is an apocalyptic number.

40540130 is a deficient number, since it is larger than the sum of its proper divisors (32507614).

40540130 is a wasteful number, since it uses less digits than its factorization.

40540130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4201.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 40540130 is about 6367.1131606090. The cubic root of 40540130 is about 343.5276609594.

Adding to 40540130 its reverse (3104504), we get a palindrome (43644634).

The spelling of 40540130 in words is "forty million, five hundred forty thousand, one hundred thirty".