40798535680 has 120 divisors (see below), whose sum is σ = 111902712768. Its totient is φ = 13987872768.

The previous prime is 40798535677. The next prime is 40798535741. The reversal of 40798535680 is 8653589704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537867 + ... + 609013.

Almost surely, 2^40798535680 is an apocalyptic number.

40798535680 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 40798535680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55951356384).

40798535680 is an abundant number, since it is smaller than the sum of its proper divisors (71104177088).

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

40798535680 is an frugal number, since it uses more digits than its factorization.

40798535680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71187 (or 71161 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 40798535680 in words is "forty billion, seven hundred ninety-eight million, five hundred thirty-five thousand, six hundred eighty".