40616019 has 8 divisors (see below), whose sum is σ = 60171920. Its totient is φ = 27077328.

The previous prime is 40615969. The next prime is 40616027. The reversal of 40616019 is 91061604.

40616019 is a `hidden beast` number, since 40 + 616 + 0 + 1 + 9 = 666.

It is not a de Polignac number, because 40616019 - 2⁷ = 40615891 is a prime.

It is a super-2 number, since 2×40616019² = 3299321998816722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1504297 = 40616019 / (4 + 0 + 6 + 1 + 6 + 0 + 1 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40615983 and 40616001.

It is not an unprimeable number, because it can be changed into a prime (40616029) 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, 752122 + ... + 752175.

It is an arithmetic number, because the mean of its divisors is an integer number (7521490).

Almost surely, 2^40616019 is an apocalyptic number.

40616019 is a deficient number, since it is larger than the sum of its proper divisors (19555901).

40616019 is a wasteful number, since it uses less digits than its factorization.

40616019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504306 (or 1504300 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 40616019 is about 6373.0698254452. The cubic root of 40616019 is about 343.7418826072.

The spelling of 40616019 in words is "forty million, six hundred sixteen thousand, nineteen".