449666742 has 32 divisors (see below), whose sum is σ = 1032701184. Its totient is φ = 127864800.

The previous prime is 449666729. The next prime is 449666773. The reversal of 449666742 is 247666944.

It is a junction number, because it is equal to n+sod(n) for n = 449666691 and 449666700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16509 + ... + 34232.

It is an arithmetic number, because the mean of its divisors is an integer number (32271912).

Almost surely, 2^449666742 is an apocalyptic number.

449666742 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

449666742 is an abundant number, since it is smaller than the sum of its proper divisors (583034442).

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

449666742 is a wasteful number, since it uses less digits than its factorization.

449666742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50964.

The product of its digits is 1741824, while the sum is 48.

The square root of 449666742 is about 21205.3470143735. The cubic root of 449666742 is about 766.1202162328.

The spelling of 449666742 in words is "four hundred forty-nine million, six hundred sixty-six thousand, seven hundred forty-two".