4525021444 has 48 divisors (see below), whose sum is σ = 8607658752. Its totient is φ = 2073247232.

The previous prime is 4525021373. The next prime is 4525021447. The reversal of 4525021444 is 4441205254.

It is not an unprimeable number, because it can be changed into a prime (4525021447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 626019 + ... + 633205.

It is an arithmetic number, because the mean of its divisors is an integer number (179326224).

Almost surely, 2^4525021444 is an apocalyptic number.

It is an amenable number.

4525021444 is a deficient number, since it is larger than the sum of its proper divisors (4082637308).

4525021444 is a wasteful number, since it uses less digits than its factorization.

4525021444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7452 (or 7450 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 31.

The square root of 4525021444 is about 67268.2796271764. The cubic root of 4525021444 is about 1654.0179329536.

Adding to 4525021444 its reverse (4441205254), we get a palindrome (8966226698).

The spelling of 4525021444 in words is "four billion, five hundred twenty-five million, twenty-one thousand, four hundred forty-four".