40104423040 has 64 divisors (see below), whose sum is σ = 104590530720. Its totient is φ = 14583424000.

The previous prime is 40104423013. The next prime is 40104423049. The reversal of 40104423040 is 4032440104.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (40104423049) 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, 2841286 + ... + 2855365.

Almost surely, 2^40104423040 is an apocalyptic number.

40104423040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40104423040 is an abundant number, since it is smaller than the sum of its proper divisors (64486107680).

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

40104423040 is a wasteful number, since it uses less digits than its factorization.

40104423040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5696681 (or 5696669 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 40104423040 its reverse (4032440104), we get a palindrome (44136863144).

The spelling of 40104423040 in words is "forty billion, one hundred four million, four hundred twenty-three thousand, forty".