40344543404 has 24 divisors (see below), whose sum is σ = 79505965056. Its totient is φ = 17746866000.

The previous prime is 40344543403. The next prime is 40344543511. The reversal of 40344543404 is 40434544304.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40344543403) 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, 14787692 + ... + 14790419.

It is an arithmetic number, because the mean of its divisors is an integer number (3312748544).

Almost surely, 2^40344543404 is an apocalyptic number.

40344543404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40344543404 is a deficient number, since it is larger than the sum of its proper divisors (39161421652).

40344543404 is a wasteful number, since it uses less digits than its factorization.

40344543404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29578157 (or 29578155 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 35.

The spelling of 40344543404 in words is "forty billion, three hundred forty-four million, five hundred forty-three thousand, four hundred four".