40103579 has 2 divisors, whose sum is σ = 40103580. Its totient is φ = 40103578.

The previous prime is 40103573. The next prime is 40103593. The reversal of 40103579 is 97530104.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40103579 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40103573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20051789 + 20051790.

It is an arithmetic number, because the mean of its divisors is an integer number (20051790).

Almost surely, 2^40103579 is an apocalyptic number.

40103579 is a deficient number, since it is larger than the sum of its proper divisors (1).

40103579 is an equidigital number, since it uses as much as digits as its factorization.

40103579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 40103579 is about 6332.7386650643. The cubic root of 40103579 is about 342.2901308980.

The spelling of 40103579 in words is "forty million, one hundred three thousand, five hundred seventy-nine".