40104343680 has 512 divisors, whose sum is σ = 139312742400. Its totient is φ = 9776332800.

The previous prime is 40104343679. The next prime is 40104343703. The reversal of 40104343680 is 8634340104.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 265591605 + ... + 265591755.

It is an arithmetic number, because the mean of its divisors is an integer number (272095200).

Almost surely, 2^40104343680 is an apocalyptic number.

40104343680 is a gapful number since it is divisible by the number (40) 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 40104343680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69656371200).

40104343680 is an abundant number, since it is smaller than the sum of its proper divisors (99208398720).

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

40104343680 is a wasteful number, since it uses less digits than its factorization.

40104343680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 40104343680 its reverse (8634340104), we get a palindrome (48738683784).

The spelling of 40104343680 in words is "forty billion, one hundred four million, three hundred forty-three thousand, six hundred eighty".