40541519 has 4 divisors (see below), whose sum is σ = 40720344. Its totient is φ = 40362696.

The previous prime is 40541513. The next prime is 40541539. The reversal of 40541519 is 91514504.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40541519 - 2⁴ = 40541503 is a prime.

It is a super-2 number, since 2×40541519² = 3287229525654722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40541491 and 40541500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40541513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89072 + ... + 89525.

It is an arithmetic number, because the mean of its divisors is an integer number (10180086).

Almost surely, 2^40541519 is an apocalyptic number.

40541519 is a deficient number, since it is larger than the sum of its proper divisors (178825).

40541519 is a wasteful number, since it uses less digits than its factorization.

40541519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178824.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 40541519 is about 6367.2222357948. Note that the first 4 decimals coincide. The cubic root of 40541519 is about 343.5315842692.

The spelling of 40541519 in words is "forty million, five hundred forty-one thousand, five hundred nineteen".