1403040223400 has 96 divisors (see below), whose sum is σ = 3349728754680. Its totient is φ = 546324480000.

The previous prime is 1403040223393. The next prime is 1403040223421. The reversal of 1403040223400 is 43220403041.

It can be written as a sum of positive squares in 12 ways, for example, as 10163462596 + 1392876760804 = 100814^2 + 1180202^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 590600 + ... + 1776200.

Almost surely, 2^{1403040223400} is an apocalyptic number.

1403040223400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1403040223400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1674864377340).

1403040223400 is an abundant number, since it is smaller than the sum of its proper divisors (1946688531280).

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

1403040223400 is a wasteful number, since it uses less digits than its factorization.

1403040223400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185775 (or 1185766 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 1403040223400 its reverse (43220403041), we get a palindrome (1446260626441).

The spelling of 1403040223400 in words is "one trillion, four hundred three billion, forty million, two hundred twenty-three thousand, four hundred".