40403109804 has 24 divisors (see below), whose sum is σ = 98372789760. Its totient is φ = 12882150864.

The previous prime is 40403109787. The next prime is 40403109809. The reversal of 40403109804 is 40890130404.

It is a happy number.

It is a super-2 number, since 2×40403109804² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40403109809) 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, 73193764 + ... + 73194315.

It is an arithmetic number, because the mean of its divisors is an integer number (4098866240).

Almost surely, 2^40403109804 is an apocalyptic number.

It is an amenable number.

40403109804 is an abundant number, since it is smaller than the sum of its proper divisors (57969679956).

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

40403109804 is a wasteful number, since it uses less digits than its factorization.

40403109804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146388109 (or 146388107 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 40403109804 in words is "forty billion, four hundred three million, one hundred nine thousand, eight hundred four".