403244111040 has 112 divisors (see below), whose sum is σ = 1281457899360. Its totient is φ = 107434516480.

The previous prime is 403244111021. The next prime is 403244111057. The reversal of 403244111040 is 40111442304.

403244111040 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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 403244111040.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 875260 + ... + 1254020.

Almost surely, 2^403244111040 is an apocalyptic number.

403244111040 is a gapful number since it is divisible by the number (40) 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 403244111040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (640728949680).

403244111040 is an abundant number, since it is smaller than the sum of its proper divisors (878213788320).

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

403244111040 is a wasteful number, since it uses less digits than its factorization.

403244111040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379890 (or 379880 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 403244111040 its reverse (40111442304), we get a palindrome (443355553344).

The spelling of 403244111040 in words is "four hundred three billion, two hundred forty-four million, one hundred eleven thousand, forty".