140421011333444 has 12 divisors (see below), whose sum is σ = 245834245761468. Its totient is φ = 70182655401600.

The previous prime is 140421011333389. The next prime is 140421011333479. The reversal of 140421011333444 is 444333110124041.

It can be written as a sum of positive squares in 2 ways, for example, as 49084036000000 + 91336975333444 = 7006000^2 + 9557038^2 .

It is a super-2 number, since 2×140421011333444² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6962554937 + ... + 6962575104.

It is an arithmetic number, because the mean of its divisors is an integer number (20486187146789).

Almost surely, 2^{140421011333444} is an apocalyptic number.

It is an amenable number.

140421011333444 is a deficient number, since it is larger than the sum of its proper divisors (105413234428024).

140421011333444 is a wasteful number, since it uses less digits than its factorization.

140421011333444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13925132566 (or 13925132564 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 140421011333444 its reverse (444333110124041), we get a palindrome (584754121457485).

The spelling of 140421011333444 in words is "one hundred forty trillion, four hundred twenty-one billion, eleven million, three hundred thirty-three thousand, four hundred forty-four".