1403401113240 has 64 divisors (see below), whose sum is σ = 4811660962560. Its totient is φ = 320777397120.

The previous prime is 1403401113223. The next prime is 1403401113263. The reversal of 1403401113240 is 423111043041.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1403401113240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 835356966 + ... + 835358645.

It is an arithmetic number, because the mean of its divisors is an integer number (75182202540).

Almost surely, 2^{1403401113240} is an apocalyptic number.

1403401113240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1403401113240 is an abundant number, since it is smaller than the sum of its proper divisors (3408259849320).

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

1403401113240 is a wasteful number, since it uses less digits than its factorization.

1403401113240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670715632 (or 1670715628 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1403401113240 its reverse (423111043041), we get a palindrome (1826512156281).

The spelling of 1403401113240 in words is "one trillion, four hundred three billion, four hundred one million, one hundred thirteen thousand, two hundred forty".