451794042 has 24 divisors (see below), whose sum is σ = 1118728416. Its totient is φ = 129083976.

The previous prime is 451794041. The next prime is 451794053. The reversal of 451794042 is 240497154.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 451793988 and 451794006.

It is not an unprimeable number, because it can be changed into a prime (451794041) 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, 1792708 + ... + 1792959.

It is an arithmetic number, because the mean of its divisors is an integer number (46613684).

Almost surely, 2^451794042 is an apocalyptic number.

451794042 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

451794042 is an abundant number, since it is smaller than the sum of its proper divisors (666934374).

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

451794042 is a wasteful number, since it uses less digits than its factorization.

451794042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3585682 (or 3585679 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 451794042 is about 21255.4473488562. The cubic root of 451794042 is about 767.3264459897.

The spelling of 451794042 in words is "four hundred fifty-one million, seven hundred ninety-four thousand, forty-two".