101401404440 has 32 divisors (see below), whose sum is σ = 260746469280. Its totient is φ = 34766195712.

The previous prime is 101401404431. The next prime is 101401404479. The reversal of 101401404440 is 44404104101.

101401404440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181073657 + ... + 181074216.

It is an arithmetic number, because the mean of its divisors is an integer number (8148327165).

Almost surely, 2^101401404440 is an apocalyptic number.

101401404440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101401404440 is an abundant number, since it is smaller than the sum of its proper divisors (159345064840).

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

101401404440 is a wasteful number, since it uses less digits than its factorization.

101401404440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362147891 (or 362147887 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 101401404440 its reverse (44404104101), we get a palindrome (145805508541).

The spelling of 101401404440 in words is "one hundred one billion, four hundred one million, four hundred four thousand, four hundred forty".