40219863 has 8 divisors (see below), whose sum is σ = 53750400. Its totient is φ = 26751288.

The previous prime is 40219853. The next prime is 40219871. The reversal of 40219863 is 36891204.

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

It is not a de Polignac number, because 40219863 - 2⁵ = 40219831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40219813) 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, 13953 + ... + 16586.

It is an arithmetic number, because the mean of its divisors is an integer number (6718800).

Almost surely, 2^40219863 is an apocalyptic number.

40219863 is a deficient number, since it is larger than the sum of its proper divisors (13530537).

40219863 is a wasteful number, since it uses less digits than its factorization.

40219863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30981.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 40219863 is about 6341.9131971354. The cubic root of 40219863 is about 342.6206455116.

The spelling of 40219863 in words is "forty million, two hundred nineteen thousand, eight hundred sixty-three".