7445235638 has 16 divisors (see below), whose sum is σ = 11205218160. Its totient is φ = 3710184096.

The previous prime is 7445235619. The next prime is 7445235641. The reversal of 7445235638 is 8365325447.

It is a junction number, because it is equal to n+sod(n) for n = 7445235592 and 7445235601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 796520 + ... + 805812.

It is an arithmetic number, because the mean of its divisors is an integer number (700326135).

Almost surely, 2^7445235638 is an apocalyptic number.

7445235638 is a deficient number, since it is larger than the sum of its proper divisors (3759982522).

7445235638 is a wasteful number, since it uses less digits than its factorization.

7445235638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10591.

The product of its digits is 2419200, while the sum is 47.

The square root of 7445235638 is about 86285.7788862104. The cubic root of 7445235638 is about 1952.6578386328.

The spelling of 7445235638 in words is "seven billion, four hundred forty-five million, two hundred thirty-five thousand, six hundred thirty-eight".