403342030630640 has 40 divisors (see below), whose sum is σ = 951766791694800. Its totient is φ = 158928800126976.

The previous prime is 403342030630621. The next prime is 403342030630657. The reversal of 403342030630640 is 46036030243304.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×403342030630640² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 403342030630594 and 403342030630603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37625184065 + ... + 37625194784.

It is an arithmetic number, because the mean of its divisors is an integer number (23794169792370).

Almost surely, 2^{403342030630640} is an apocalyptic number.

403342030630640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

403342030630640 is an abundant number, since it is smaller than the sum of its proper divisors (548424761064160).

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

403342030630640 is a wasteful number, since it uses less digits than its factorization.

403342030630640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75250378929 (or 75250378923 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 38.

Adding to 403342030630640 its reverse (46036030243304), we get a palindrome (449378060873944).

The spelling of 403342030630640 in words is "four hundred three trillion, three hundred forty-two billion, thirty million, six hundred thirty thousand, six hundred forty".