41405540 has 48 divisors (see below), whose sum is σ = 100445184. Its totient is φ = 14169600.

The previous prime is 41405537. The next prime is 41405569. The reversal of 41405540 is 4550414.

41405540 = T₂₇₁ + T₂₇₂ + ... + T₆₄₄.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1796 + ... + 9275.

It is an arithmetic number, because the mean of its divisors is an integer number (2092608).

Almost surely, 2^41405540 is an apocalyptic number.

It is an amenable number.

41405540 is an abundant number, since it is smaller than the sum of its proper divisors (59039644).

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

41405540 is a wasteful number, since it uses less digits than its factorization.

41405540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11108 (or 11106 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 41405540 is about 6434.7136688434. The cubic root of 41405540 is about 345.9548985060.

Adding to 41405540 its reverse (4550414), we get a palindrome (45955954).

The spelling of 41405540 in words is "forty-one million, four hundred five thousand, five hundred forty".