4245455040 has 112 divisors (see below), whose sum is σ = 13543848960. Its totient is φ = 1126702080.

The previous prime is 4245454957. The next prime is 4245455083. The reversal of 4245455040 is 405545424.

It is a super-2 number, since 2×4245455040² = 36047776993322803200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4245454992 and 4245455010.

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, 192081 + ... + 213039.

Almost surely, 2^4245455040 is an apocalyptic number.

4245455040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4245455040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6771924480).

4245455040 is an abundant number, since it is smaller than the sum of its proper divisors (9298393920).

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

4245455040 is a wasteful number, since it uses less digits than its factorization.

4245455040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21190 (or 21180 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 33.

The square root of 4245455040 is about 65157.1564757088. The cubic root of 4245455040 is about 1619.2282866087.

The spelling of 4245455040 in words is "four billion, two hundred forty-five million, four hundred fifty-five thousand, forty".