140343017472 has 1024 divisors, whose sum is σ = 531494092800. Its totient is φ = 35672555520.

The previous prime is 140343017467. The next prime is 140343017473. The reversal of 140343017472 is 274710343041.

140343017472 is a `hidden beast` number, since 140 + 3 + 4 + 30 + 17 + 472 = 666.

It is a tau number, because it is divible by the number of its divisors (1024).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140343017473) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3263791083 + ... + 3263791125.

It is an arithmetic number, because the mean of its divisors is an integer number (519037200).

Almost surely, 2^140343017472 is an apocalyptic number.

140343017472 is a gapful number since it is divisible by the number (12) 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 140343017472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265747046400).

140343017472 is an abundant number, since it is smaller than the sum of its proper divisors (391151075328).

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

140343017472 is an equidigital number, since it uses as much as digits as its factorization.

140343017472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The spelling of 140343017472 in words is "one hundred forty billion, three hundred forty-three million, seventeen thousand, four hundred seventy-two".