40944519 has 24 divisors (see below), whose sum is σ = 73736832. Its totient is φ = 21269520.

The previous prime is 40944511. The next prime is 40944529. The reversal of 40944519 is 91544904.

It is a happy number.

It is not a de Polignac number, because 40944519 - 2³ = 40944511 is a prime.

It is a super-2 number, since 2×40944519² = 3352907272282722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40944511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28849 + ... + 30234.

It is an arithmetic number, because the mean of its divisors is an integer number (3072368).

Almost surely, 2^40944519 is an apocalyptic number.

40944519 is a deficient number, since it is larger than the sum of its proper divisors (32792313).

40944519 is a wasteful number, since it uses less digits than its factorization.

40944519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59107 (or 59104 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 40944519 is about 6398.7904325740. The cubic root of 40944519 is about 344.6661168032. Note that the first 3 decimals are identical.

The spelling of 40944519 in words is "forty million, nine hundred forty-four thousand, five hundred nineteen".