451816742 has 16 divisors (see below), whose sum is σ = 733570992. Its totient is φ = 207469920.

The previous prime is 451816741. The next prime is 451816747. The reversal of 451816742 is 247618154.

It is a junction number, because it is equal to n+sod(n) for n = 451816696 and 451816705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451816741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38984 + ... + 49227.

It is an arithmetic number, because the mean of its divisors is an integer number (45848187).

Almost surely, 2^451816742 is an apocalyptic number.

451816742 is a deficient number, since it is larger than the sum of its proper divisors (281754250).

451816742 is a wasteful number, since it uses less digits than its factorization.

451816742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88423.

The product of its digits is 53760, while the sum is 38.

The square root of 451816742 is about 21255.9813229124. The cubic root of 451816742 is about 767.3392969919.

The spelling of 451816742 in words is "four hundred fifty-one million, eight hundred sixteen thousand, seven hundred forty-two".