40969544 has 32 divisors (see below), whose sum is σ = 95774400. Its totient is φ = 15961920.

The previous prime is 40969543. The next prime is 40969559. The reversal of 40969544 is 44596904.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (40969543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32639 + ... + 33870.

It is an arithmetic number, because the mean of its divisors is an integer number (2992950).

Almost surely, 2^40969544 is an apocalyptic number.

40969544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40969544 is an abundant number, since it is smaller than the sum of its proper divisors (54804856).

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

40969544 is a wasteful number, since it uses less digits than its factorization.

40969544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66533 (or 66529 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 40969544 is about 6400.7455815709. The cubic root of 40969544 is about 344.7363216653.

The spelling of 40969544 in words is "forty million, nine hundred sixty-nine thousand, five hundred forty-four".