1401340081400 has 48 divisors (see below), whose sum is σ = 3723560791440. Its totient is φ = 480459456000.

The previous prime is 1401340081399. The next prime is 1401340081433. The reversal of 1401340081400 is 41800431041.

It is a self number, because there is not a number n which added to its sum of digits gives 1401340081400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 500477201 + ... + 500480000.

It is an arithmetic number, because the mean of its divisors is an integer number (77574183155).

Almost surely, 2^{1401340081400} is an apocalyptic number.

1401340081400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1401340081400 is an abundant number, since it is smaller than the sum of its proper divisors (2322220710040).

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

1401340081400 is a wasteful number, since it uses less digits than its factorization.

1401340081400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000957224 (or 1000957215 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The spelling of 1401340081400 in words is "one trillion, four hundred one billion, three hundred forty million, eighty-one thousand, four hundred".