40119969 has 8 divisors (see below), whose sum is σ = 53524800. Its totient is φ = 26730896.

The previous prime is 40119967. The next prime is 40119973. The reversal of 40119969 is 96991104.

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

It is a cyclic number.

It is not a de Polignac number, because 40119969 - 2¹ = 40119967 is a prime.

It is a super-2 number, since 2×40119969² = 3219223825121922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40119967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4732 + ... + 10130.

It is an arithmetic number, because the mean of its divisors is an integer number (6690600).

Almost surely, 2^40119969 is an apocalyptic number.

It is an amenable number.

40119969 is a deficient number, since it is larger than the sum of its proper divisors (13404831).

40119969 is a wasteful number, since it uses less digits than its factorization.

40119969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7879.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 40119969 is about 6334.0326017475. The cubic root of 40119969 is about 342.3367549258.

The spelling of 40119969 in words is "forty million, one hundred nineteen thousand, nine hundred sixty-nine".