40461543 has 6 divisors (see below), whose sum is σ = 58444464. Its totient is φ = 26974356.

The previous prime is 40461527. The next prime is 40461559. The reversal of 40461543 is 34516404.

40461543 is a `hidden beast` number, since 4 + 0 + 4 + 615 + 43 = 666.

It is an interprime number because it is at equal distance from previous prime (40461527) and next prime (40461559).

It is not a de Polignac number, because 40461543 - 2⁴ = 40461527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40461503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2247855 + ... + 2247872.

It is an arithmetic number, because the mean of its divisors is an integer number (9740744).

Almost surely, 2^40461543 is an apocalyptic number.

40461543 is a deficient number, since it is larger than the sum of its proper divisors (17982921).

40461543 is a wasteful number, since it uses less digits than its factorization.

40461543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4495733 (or 4495730 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 40461543 is about 6360.9388457994. The cubic root of 40461543 is about 343.3055413664.

Adding to 40461543 its reverse (34516404), we get a palindrome (74977947).

The spelling of 40461543 in words is "forty million, four hundred sixty-one thousand, five hundred forty-three".