40715191680 has 256 divisors, whose sum is σ = 134894592000. Its totient is φ = 10434355200.

The previous prime is 40715191679. The next prime is 40715191687. The reversal of 40715191680 is 8619151704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40715191687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8866185 + ... + 8870775.

It is an arithmetic number, because the mean of its divisors is an integer number (526932000).

Almost surely, 2^40715191680 is an apocalyptic number.

40715191680 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 40715191680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67447296000).

40715191680 is an abundant number, since it is smaller than the sum of its proper divisors (94179400320).

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

40715191680 is a wasteful number, since it uses less digits than its factorization.

40715191680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4793 (or 4781 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 42.

The spelling of 40715191680 in words is "forty billion, seven hundred fifteen million, one hundred ninety-one thousand, six hundred eighty".