4245550452 has 72 divisors (see below), whose sum is σ = 12608013600. Its totient is φ = 1187565120.

The previous prime is 4245550367. The next prime is 4245550493. The reversal of 4245550452 is 2540555424.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 407202 + ... + 417497.

It is an arithmetic number, because the mean of its divisors is an integer number (175111300).

Almost surely, 2^4245550452 is an apocalyptic number.

It is an amenable number.

4245550452 is an abundant number, since it is smaller than the sum of its proper divisors (8362463148).

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

4245550452 is a wasteful number, since it uses less digits than its factorization.

4245550452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824733 (or 824728 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The square root of 4245550452 is about 65157.8886398263. Note that the first 3 decimals coincide. The cubic root of 4245550452 is about 1619.2404166513.

The spelling of 4245550452 in words is "four billion, two hundred forty-five million, five hundred fifty thousand, four hundred fifty-two".