450629720 has 32 divisors (see below), whose sum is σ = 1018180800. Its totient is φ = 179493888.

The previous prime is 450629713. The next prime is 450629759. The reversal of 450629720 is 27926054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14009 + ... + 33128.

It is an arithmetic number, because the mean of its divisors is an integer number (31818150).

Almost surely, 2^450629720 is an apocalyptic number.

450629720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450629720 is an abundant number, since it is smaller than the sum of its proper divisors (567551080).

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

450629720 is a wasteful number, since it uses less digits than its factorization.

450629720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47387 (or 47383 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 450629720 is about 21228.0408893520. The cubic root of 450629720 is about 766.6667179164. Note that the first 3 decimals are identical.

The spelling of 450629720 in words is "four hundred fifty million, six hundred twenty-nine thousand, seven hundred twenty".