420896450 has 48 divisors (see below), whose sum is σ = 849695616. Its totient is φ = 154190400.

The previous prime is 420896431. The next prime is 420896453. The reversal of 420896450 is 54698024.

It is a super-3 number, since 3×420896450³ (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (420896453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82679 + ... + 87621.

It is an arithmetic number, because the mean of its divisors is an integer number (17701992).

Almost surely, 2^420896450 is an apocalyptic number.

420896450 is an abundant number, since it is smaller than the sum of its proper divisors (428799166).

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

420896450 is a wasteful number, since it uses less digits than its factorization.

420896450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5099 (or 5094 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 420896450 is about 20515.7610144006. The cubic root of 420896450 is about 749.4196695898.

The spelling of 420896450 in words is "four hundred twenty million, eight hundred ninety-six thousand, four hundred fifty".