40799393280 has 160 divisors (see below), whose sum is σ = 144923090400. Its totient is φ = 10879819776.

The previous prime is 40799393263. The next prime is 40799393407. The reversal of 40799393280 is 8239399704.

40799393280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (160).

It is a super-2 number, since 2×40799393280² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 226015 + ... + 364254.

It is an arithmetic number, because the mean of its divisors is an integer number (905769315).

Almost surely, 2^40799393280 is an apocalyptic number.

40799393280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40799393280 is an abundant number, since it is smaller than the sum of its proper divisors (104123697120).

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

40799393280 is an equidigital number, since it uses as much as digits as its factorization.

40799393280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590301 (or 590279 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The spelling of 40799393280 in words is "forty billion, seven hundred ninety-nine million, three hundred ninety-three thousand, two hundred eighty".