403013144440 has 16 divisors (see below), whose sum is σ = 906779575080. Its totient is φ = 161205257760.

The previous prime is 403013144431. The next prime is 403013144473. The reversal of 403013144440 is 44441310304.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 403013144399 and 403013144408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5037664266 + ... + 5037664345.

Almost surely, 2^403013144440 is an apocalyptic number.

403013144440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

403013144440 is an abundant number, since it is smaller than the sum of its proper divisors (503766430640).

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

403013144440 is a wasteful number, since it uses less digits than its factorization.

403013144440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10075328622 (or 10075328618 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 403013144440 its reverse (44441310304), we get a palindrome (447454454744).

The spelling of 403013144440 in words is "four hundred three billion, thirteen million, one hundred forty-four thousand, four hundred forty".