7428445052 has 24 divisors (see below), whose sum is σ = 15730825824. Its totient is φ = 2996347392.

The previous prime is 7428445051. The next prime is 7428445093. The reversal of 7428445052 is 2505448247.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7428445051) 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, 7802513 + ... + 7803464.

It is an arithmetic number, because the mean of its divisors is an integer number (655451076).

Almost surely, 2^7428445052 is an apocalyptic number.

It is an amenable number.

7428445052 is an abundant number, since it is smaller than the sum of its proper divisors (8302380772).

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

7428445052 is a wasteful number, since it uses less digits than its factorization.

7428445052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15606005 (or 15606003 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 41.

The square root of 7428445052 is about 86188.4275990692. The cubic root of 7428445052 is about 1951.1888478780.

The spelling of 7428445052 in words is "seven billion, four hundred twenty-eight million, four hundred forty-five thousand, fifty-two".