450654428 has 24 divisors (see below), whose sum is σ = 954328032. Its totient is φ = 181776384.

The previous prime is 450654427. The next prime is 450654431. The reversal of 450654428 is 824456054.

It is a junction number, because it is equal to n+sod(n) for n = 450654391 and 450654400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450654427) 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, 472901 + ... + 473852.

It is an arithmetic number, because the mean of its divisors is an integer number (39763668).

Almost surely, 2^450654428 is an apocalyptic number.

It is an amenable number.

450654428 is an abundant number, since it is smaller than the sum of its proper divisors (503673604).

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

450654428 is a wasteful number, since it uses less digits than its factorization.

450654428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946781 (or 946779 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 38.

The square root of 450654428 is about 21228.6228474670. The cubic root of 450654428 is about 766.6807297567.

The spelling of 450654428 in words is "four hundred fifty million, six hundred fifty-four thousand, four hundred twenty-eight".