40513160 has 16 divisors (see below), whose sum is σ = 91154700. Its totient is φ = 16205248.

The previous prime is 40513153. The next prime is 40513163. The reversal of 40513160 is 6131504.

It can be written as a sum of positive squares in 2 ways, for example, as 33016516 + 7496644 = 5746^2 + 2738^2 .

It is a super-2 number, since 2×40513160² = 3282632266371200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (40513163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506375 + ... + 506454.

Almost surely, 2^40513160 is an apocalyptic number.

40513160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40513160 is an abundant number, since it is smaller than the sum of its proper divisors (50641540).

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

40513160 is a wasteful number, since it uses less digits than its factorization.

40513160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012840 (or 1012836 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 40513160 is about 6364.9948939492. The cubic root of 40513160 is about 343.4514648847.

Adding to 40513160 its reverse (6131504), we get a palindrome (46644664).

The spelling of 40513160 in words is "forty million, five hundred thirteen thousand, one hundred sixty".