1401002221040 has 40 divisors (see below), whose sum is σ = 3257662456080. Its totient is φ = 560343719936.

The previous prime is 1401002221013. The next prime is 1401002221061. The reversal of 1401002221040 is 401222001041.

It is a tau number, because it is divible by the number of its divisors (40).

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, 99770 + ... + 1676889.

It is an arithmetic number, because the mean of its divisors is an integer number (81441561402).

Almost surely, 2^{1401002221040} is an apocalyptic number.

1401002221040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1401002221040 is an abundant number, since it is smaller than the sum of its proper divisors (1856660235040).

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

1401002221040 is a wasteful number, since it uses less digits than its factorization.

1401002221040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786529 (or 1786523 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1401002221040 its reverse (401222001041), we get a palindrome (1802224222081).

The spelling of 1401002221040 in words is "one trillion, four hundred one billion, two million, two hundred twenty-one thousand, forty".