403020403992 has 48 divisors (see below), whose sum is σ = 1092221292240. Its totient is φ = 134253033408.

The previous prime is 403020403969. The next prime is 403020403993. The reversal of 403020403992 is 299304020304.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403020403993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1702743 + ... + 1924934.

It is an arithmetic number, because the mean of its divisors is an integer number (22754610255).

Almost surely, 2^403020403992 is an apocalyptic number.

It is an amenable number.

403020403992 is an abundant number, since it is smaller than the sum of its proper divisors (689200888248).

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

403020403992 is a wasteful number, since it uses less digits than its factorization.

403020403992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3629232 (or 3629225 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The spelling of 403020403992 in words is "four hundred three billion, twenty million, four hundred three thousand, nine hundred ninety-two".