403401034560 has 224 divisors, whose sum is σ = 1286294526720. Its totient is φ = 107113218048.

The previous prime is 403401034559. The next prime is 403401034571. The reversal of 403401034560 is 65430104304.

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

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 331471072 + ... + 331472288.

It is an arithmetic number, because the mean of its divisors is an integer number (5742386280).

Almost surely, 2^403401034560 is an apocalyptic number.

403401034560 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 403401034560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643147263360).

403401034560 is an abundant number, since it is smaller than the sum of its proper divisors (882893492160).

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

403401034560 is a wasteful number, since it uses less digits than its factorization.

403401034560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433 (or 2423 counting only the distinct ones).

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

Adding to 403401034560 its reverse (65430104304), we get a palindrome (468831138864).

The spelling of 403401034560 in words is "four hundred three billion, four hundred one million, thirty-four thousand, five hundred sixty".