403032042 has 24 divisors (see below), whose sum is σ = 997984416. Its totient is φ = 115151976.

The previous prime is 403032017. The next prime is 403032061. The reversal of 403032042 is 240230304.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1599208 + ... + 1599459.

It is an arithmetic number, because the mean of its divisors is an integer number (41582684).

Almost surely, 2^403032042 is an apocalyptic number.

403032042 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

403032042 is an abundant number, since it is smaller than the sum of its proper divisors (594952374).

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

403032042 is a wasteful number, since it uses less digits than its factorization.

403032042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198682 (or 3198679 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 403032042 is about 20075.6579468769. The cubic root of 403032042 is about 738.6633052086.

Adding to 403032042 its reverse (240230304), we get a palindrome (643262346).

The spelling of 403032042 in words is "four hundred three million, thirty-two thousand, forty-two".