40915505 has 24 divisors (see below), whose sum is σ = 53088000. Its totient is φ = 30238560.

The previous prime is 40915453. The next prime is 40915541. The reversal of 40915505 is 50551904.

It is not a de Polignac number, because 40915505 - 2¹⁶ = 40849969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81746 + ... + 82244.

It is an arithmetic number, because the mean of its divisors is an integer number (2212000).

Almost surely, 2^40915505 is an apocalyptic number.

It is an amenable number.

40915505 is a deficient number, since it is larger than the sum of its proper divisors (12172495).

40915505 is a wasteful number, since it uses less digits than its factorization.

40915505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 40915505 is about 6396.5228835673. The cubic root of 40915505 is about 344.5846854258.

The spelling of 40915505 in words is "forty million, nine hundred fifteen thousand, five hundred five".