40803291520 has 128 divisors (see below), whose sum is σ = 98593689600. Its totient is φ = 16146708480.

The previous prime is 40803291509. The next prime is 40803291547. The reversal of 40803291520 is 2519230804.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×40803291520² (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 15 ways as a sum of consecutive naturals, for example, 50311915 + ... + 50312725.

It is an arithmetic number, because the mean of its divisors is an integer number (770263200).

Almost surely, 2^40803291520 is an apocalyptic number.

40803291520 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 40803291520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49296844800).

40803291520 is an abundant number, since it is smaller than the sum of its proper divisors (57790398080).

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

40803291520 is a wasteful number, since it uses less digits than its factorization.

40803291520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576 (or 1564 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 40803291520 in words is "forty billion, eight hundred three million, two hundred ninety-one thousand, five hundred twenty".