403020403994 has 64 divisors (see below), whose sum is σ = 669121326720. Its totient is φ = 180928788480.

The previous prime is 403020403993. The next prime is 403020404029. The reversal of 403020403994 is 499304020304.

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 31 ways as a sum of consecutive naturals, for example, 46282589 + ... + 46291295.

It is an arithmetic number, because the mean of its divisors is an integer number (10455020730).

Almost surely, 2^403020403994 is an apocalyptic number.

403020403994 is a deficient number, since it is larger than the sum of its proper divisors (266100922726).

403020403994 is a wasteful number, since it uses less digits than its factorization.

403020403994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9135.

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 403020403994 in words is "four hundred three billion, twenty million, four hundred three thousand, nine hundred ninety-four".