40104855 has 96 divisors (see below), whose sum is σ = 86446080. Its totient is φ = 17262720.

The previous prime is 40104851. The next prime is 40104859. The reversal of 40104855 is 55840104.

It is an interprime number because it is at equal distance from previous prime (40104851) and next prime (40104859).

It is not a de Polignac number, because 40104855 - 2² = 40104851 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40104851) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1083897 + ... + 1083933.

It is an arithmetic number, because the mean of its divisors is an integer number (900480).

Almost surely, 2^40104855 is an apocalyptic number.

40104855 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40104855 is an abundant number, since it is smaller than the sum of its proper divisors (46341225).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40104855 is a wasteful number, since it uses less digits than its factorization.

40104855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 40104855 is about 6332.8394105646. The cubic root of 40104855 is about 342.2937611440.

Adding to 40104855 its reverse (55840104), we get a palindrome (95944959).

The spelling of 40104855 in words is "forty million, one hundred four thousand, eight hundred fifty-five".