40240204004 has 144 divisors (see below), whose sum is σ = 96688650240. Its totient is φ = 14225627520.

The previous prime is 40240204003. The next prime is 40240204061. The reversal of 40240204004 is 40040204204.

It is not an unprimeable number, because it can be changed into a prime (40240204003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3064517 + ... + 3077619.

It is an arithmetic number, because the mean of its divisors is an integer number (671448960).

Almost surely, 2^40240204004 is an apocalyptic number.

40240204004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40240204004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48344325120).

40240204004 is an abundant number, since it is smaller than the sum of its proper divisors (56448446236).

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

40240204004 is a wasteful number, since it uses less digits than its factorization.

40240204004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13210 (or 13195 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 40240204004 its reverse (40040204204), we get a palindrome (80280408208).

The spelling of 40240204004 in words is "forty billion, two hundred forty million, two hundred four thousand, four".