403020404032 has 28 divisors (see below), whose sum is σ = 819249561396. Its totient is φ = 196595317760.

The previous prime is 403020404029. The next prime is 403020404063. The reversal of 403020404032 is 230404020304.

It can be written as a sum of positive squares in 2 ways, for example, as 10262500416 + 392757903616 = 101304^2 + 626704^2 .

It is a super-2 number, since 2×403020404032² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 403020403994 and 403020404012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76792423 + ... + 76797670.

It is an arithmetic number, because the mean of its divisors is an integer number (29258912907).

Almost surely, 2^403020404032 is an apocalyptic number.

It is an amenable number.

403020404032 is an abundant number, since it is smaller than the sum of its proper divisors (416229157364).

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

403020404032 is a wasteful number, since it uses less digits than its factorization.

403020404032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153590146 (or 153590136 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 403020404032 its reverse (230404020304), we get a palindrome (633424424336).

The spelling of 403020404032 in words is "four hundred three billion, twenty million, four hundred four thousand, thirty-two".