403345113240 has 128 divisors (see below), whose sum is σ = 1242611435520. Its totient is φ = 104688345600.

The previous prime is 403345113221. The next prime is 403345113257. The reversal of 403345113240 is 42311543304.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 403345113198 and 403345113207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 823285 + ... + 1218395.

It is an arithmetic number, because the mean of its divisors is an integer number (9707901840).

Almost surely, 2^403345113240 is an apocalyptic number.

403345113240 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 403345113240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (621305717760).

403345113240 is an abundant number, since it is smaller than the sum of its proper divisors (839266322280).

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

403345113240 is a wasteful number, since it uses less digits than its factorization.

403345113240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395353 (or 395349 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 403345113240 its reverse (42311543304), we get a palindrome (445656656544).

The spelling of 403345113240 in words is "four hundred three billion, three hundred forty-five million, one hundred thirteen thousand, two hundred forty".