41001540 has 48 divisors (see below), whose sum is σ = 115265472. Its totient is φ = 10889856.

The previous prime is 41001533. The next prime is 41001547. The reversal of 41001540 is 4510014.

It is an interprime number because it is at equal distance from previous prime (41001533) and next prime (41001547).

It is a super-2 number, since 2×41001540² = 3362252564743200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (41001547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15387 + ... + 17853.

It is an arithmetic number, because the mean of its divisors is an integer number (2401364).

Almost surely, 2^41001540 is an apocalyptic number.

It is an amenable number.

41001540 is an abundant number, since it is smaller than the sum of its proper divisors (74263932).

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

41001540 is a wasteful number, since it uses less digits than its factorization.

41001540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756 (or 2754 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 41001540 is about 6403.2444901003. The cubic root of 41001540 is about 344.8260412643.

Adding to 41001540 its reverse (4510014), we get a palindrome (45511554).

The spelling of 41001540 in words is "forty-one million, one thousand, five hundred forty".