40641419 has 8 divisors (see below), whose sum is σ = 50020320. Its totient is φ = 32155776.

The previous prime is 40641409. The next prime is 40641427. The reversal of 40641419 is 91414604.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40641419 is a prime.

It is a super-2 number, since 2×40641419² = 3303449876667122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40641391 and 40641400.

It is not an unprimeable number, because it can be changed into a prime (40641409) 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, 223214 + ... + 223395.

It is an arithmetic number, because the mean of its divisors is an integer number (6252540).

Almost surely, 2^40641419 is an apocalyptic number.

40641419 is a deficient number, since it is larger than the sum of its proper divisors (9378901).

40641419 is a wasteful number, since it uses less digits than its factorization.

40641419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446629.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 40641419 is about 6375.0622742056. The cubic root of 40641419 is about 343.8135228502.

The spelling of 40641419 in words is "forty million, six hundred forty-one thousand, four hundred nineteen".