41631540 has 24 divisors (see below), whose sum is σ = 116568480. Its totient is φ = 11101728.

The previous prime is 41631529. The next prime is 41631563. The reversal of 41631540 is 4513614.

It is a self number, because there is not a number n which added to its sum of digits gives 41631540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346870 + ... + 346989.

It is an arithmetic number, because the mean of its divisors is an integer number (4857020).

Almost surely, 2^41631540 is an apocalyptic number.

It is an amenable number.

41631540 is an abundant number, since it is smaller than the sum of its proper divisors (74936940).

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

41631540 is a wasteful number, since it uses less digits than its factorization.

41631540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693871 (or 693869 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 41631540 is about 6452.2507700802. The cubic root of 41631540 is about 346.5831879042.

The spelling of 41631540 in words is "forty-one million, six hundred thirty-one thousand, five hundred forty".