40484317440 has 360 divisors, whose sum is σ = 150871629888. Its totient is φ = 9251450880.

The previous prime is 40484317427. The next prime is 40484317441. The reversal of 40484317440 is 4471348404.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40484317441) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9217645 + ... + 9222035.

Almost surely, 2^40484317440 is an apocalyptic number.

40484317440 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 40484317440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75435814944).

40484317440 is an abundant number, since it is smaller than the sum of its proper divisors (110387312448).

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

40484317440 is an frugal number, since it uses more digits than its factorization.

40484317440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4443 (or 4408 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 39.

The spelling of 40484317440 in words is "forty billion, four hundred eighty-four million, three hundred seventeen thousand, four hundred forty".