40864419 has 20 divisors (see below), whose sum is σ = 61218256. Its totient is φ = 27165456.

The previous prime is 40864337. The next prime is 40864429. The reversal of 40864419 is 91446804.

It is a happy number.

40864419 is a `hidden beast` number, since 4 + 0 + 8 + 644 + 1 + 9 = 666.

It is not a de Polignac number, because 40864419 - 2¹³ = 40856227 is a prime.

It is a super-2 number, since 2×40864419² = 3339801480415122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40864429) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 49242 + ... + 50064.

Almost surely, 2^40864419 is an apocalyptic number.

40864419 is a deficient number, since it is larger than the sum of its proper divisors (20353837).

40864419 is an equidigital number, since it uses as much as digits as its factorization.

40864419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448 (or 1439 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 40864419 is about 6392.5283730305. The cubic root of 40864419 is about 344.4412126378.

The spelling of 40864419 in words is "forty million, eight hundred sixty-four thousand, four hundred nineteen".