40787441880 has 128 divisors (see below), whose sum is σ = 125934462720. Its totient is φ = 10562065920.

The previous prime is 40787441831. The next prime is 40787441899. The reversal of 40787441880 is 8814478704.

It is a super-2 number, since 2×40787441880² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 869835 + ... + 915525.

It is an arithmetic number, because the mean of its divisors is an integer number (983862990).

Almost surely, 2^40787441880 is an apocalyptic number.

40787441880 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 40787441880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62967231360).

40787441880 is an abundant number, since it is smaller than the sum of its proper divisors (85147020840).

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

40787441880 is a wasteful number, since it uses less digits than its factorization.

40787441880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45921 (or 45917 counting only the distinct ones).

The product of its (nonzero) digits is 1605632, while the sum is 51.

The spelling of 40787441880 in words is "forty billion, seven hundred eighty-seven million, four hundred forty-one thousand, eight hundred eighty".