40965540 has 96 divisors (see below), whose sum is σ = 143023104. Its totient is φ = 8511360.

The previous prime is 40965527. The next prime is 40965571. The reversal of 40965540 is 4556904.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187 + ... + 9053.

It is an arithmetic number, because the mean of its divisors is an integer number (1489824).

Almost surely, 2^40965540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40965540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71511552).

40965540 is an abundant number, since it is smaller than the sum of its proper divisors (102057564).

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

40965540 is a wasteful number, since it uses less digits than its factorization.

40965540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8897 (or 8895 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 40965540 is about 6400.4327978661. The cubic root of 40965540 is about 344.7250908089.

The spelling of 40965540 in words is "forty million, nine hundred sixty-five thousand, five hundred forty".