403040004221344 has 192 divisors, whose sum is σ = 980833766169600. Its totient is φ = 159075981066240.

The previous prime is 403040004221339. The next prime is 403040004221357. The reversal of 403040004221344 is 443122400040304.

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, 801740182 + ... + 802242730.

It is an arithmetic number, because the mean of its divisors is an integer number (5108509198800).

Almost surely, 2^{403040004221344} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403040004221344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (490416883084800).

403040004221344 is an abundant number, since it is smaller than the sum of its proper divisors (577793761948256).

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

403040004221344 is a wasteful number, since it uses less digits than its factorization.

403040004221344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507111 (or 507103 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 403040004221344 its reverse (443122400040304), we get a palindrome (846162404261648).

The spelling of 403040004221344 in words is "four hundred three trillion, forty billion, four million, two hundred twenty-one thousand, three hundred forty-four".