40619 has 4 divisors (see below), whose sum is σ = 41040. Its totient is φ = 40200.

The previous prime is 40609. The next prime is 40627. The reversal of 40619 is 91604.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40619 - 2¹² = 36523 is a prime.

It is a super-2 number, since 2×40619² = 3299806322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40619.

It is not an unprimeable number, because it can be changed into a prime (40609) 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, 17 + ... + 285.

It is an arithmetic number, because the mean of its divisors is an integer number (10260).

2⁴⁰⁶¹⁹ is an apocalyptic number.

40619 is a deficient number, since it is larger than the sum of its proper divisors (421).

40619 is a wasteful number, since it uses less digits than its factorization.

40619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 40619 is about 201.5415589897. The cubic root of 40619 is about 34.3750292011.

The spelling of 40619 in words is "forty thousand, six hundred nineteen".