40544010 has 64 divisors (see below), whose sum is σ = 116444160. Its totient is φ = 9979200.

The previous prime is 40543999. The next prime is 40544011. The reversal of 40544010 is 1044504.

40544010 = 1760² + 1761² + ... + 1772².

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (40544011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2266 + ... + 9285.

It is an arithmetic number, because the mean of its divisors is an integer number (1819440).

Almost surely, 2^40544010 is an apocalyptic number.

40544010 is an abundant number, since it is smaller than the sum of its proper divisors (75900150).

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

40544010 is a wasteful number, since it uses less digits than its factorization.

40544010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11580 (or 11574 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 40544010 is about 6367.4178439930. The cubic root of 40544010 is about 343.5386200166.

Adding to 40544010 its reverse (1044504), we get a palindrome (41588514).

It can be divided in two parts, 405440 and 10, that added together give a triangular number (405450 = T₉₀₀).

The spelling of 40544010 in words is "forty million, five hundred forty-four thousand, ten".