403407070340 has 24 divisors (see below), whose sum is σ = 847173532632. Its totient is φ = 161359269120.

The previous prime is 403407070307. The next prime is 403407070403. The reversal of 403407070340 is 43070704304.

It can be written as a sum of positive squares in 4 ways, for example, as 80182983556 + 323224086784 = 283166^2 + 568528^2 .

It is a junction number, because it is equal to n+sod(n) for n = 403407070297 and 403407070306.

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, 828002 + ... + 1221638.

It is an arithmetic number, because the mean of its divisors is an integer number (35298897193).

Almost surely, 2^403407070340 is an apocalyptic number.

It is an amenable number.

403407070340 is an abundant number, since it is smaller than the sum of its proper divisors (443766462292).

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

403407070340 is a wasteful number, since it uses less digits than its factorization.

403407070340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444887 (or 444885 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 32.

Adding to 403407070340 its reverse (43070704304), we get a palindrome (446477774644).

The spelling of 403407070340 in words is "four hundred three billion, four hundred seven million, seventy thousand, three hundred forty".