40103655 has 8 divisors (see below), whose sum is σ = 64165872. Its totient is φ = 21388608.

The previous prime is 40103653. The next prime is 40103659. The reversal of 40103655 is 55630104.

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

It is not a de Polignac number, because 40103655 - 2¹ = 40103653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40103653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1336774 + ... + 1336803.

It is an arithmetic number, because the mean of its divisors is an integer number (8020734).

Almost surely, 2^40103655 is an apocalyptic number.

40103655 is a deficient number, since it is larger than the sum of its proper divisors (24062217).

40103655 is a wasteful number, since it uses less digits than its factorization.

40103655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673585.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 40103655 is about 6332.7446656249. The cubic root of 40103655 is about 342.2903471217.

Adding to 40103655 its reverse (55630104), we get a palindrome (95733759).

The spelling of 40103655 in words is "forty million, one hundred three thousand, six hundred fifty-five".