40804281720 has 96 divisors (see below), whose sum is σ = 132650668800. Its totient is φ = 10878126336.

The previous prime is 40804281719. The next prime is 40804281733. The reversal of 40804281720 is 2718240804.

40804281720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×40804281720³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1483614 + ... + 1510866.

It is an arithmetic number, because the mean of its divisors is an integer number (1381777800).

Almost surely, 2^40804281720 is an apocalyptic number.

40804281720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40804281720 is an abundant number, since it is smaller than the sum of its proper divisors (91846387080).

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

40804281720 is a wasteful number, since it uses less digits than its factorization.

40804281720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31429 (or 31422 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The spelling of 40804281720 in words is "forty billion, eight hundred four million, two hundred eighty-one thousand, seven hundred twenty".