140643441470 has 32 divisors (see below), whose sum is σ = 289338436800. Its totient is φ = 48218144256.

The previous prime is 140643441461. The next prime is 140643441473. The reversal of 140643441470 is 74144346041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140643441473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1803446 + ... + 1879814.

It is an arithmetic number, because the mean of its divisors is an integer number (9041826150).

Almost surely, 2^140643441470 is an apocalyptic number.

140643441470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140643441470 is an abundant number, since it is smaller than the sum of its proper divisors (148694995330).

140643441470 is a wasteful number, since it uses less digits than its factorization.

140643441470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102692.

The product of its (nonzero) digits is 129024, while the sum is 38.

The spelling of 140643441470 in words is "one hundred forty billion, six hundred forty-three million, four hundred forty-one thousand, four hundred seventy".