7023157644 has 24 divisors (see below), whose sum is σ = 17249861440. Its totient is φ = 2217839184.

The previous prime is 7023157637. The next prime is 7023157649. The reversal of 7023157644 is 4467513207.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (7023157649) 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, 15401434 + ... + 15401889.

Almost surely, 2^7023157644 is an apocalyptic number.

It is an amenable number.

7023157644 is an abundant number, since it is smaller than the sum of its proper divisors (10226703796).

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

7023157644 is a wasteful number, since it uses less digits than its factorization.

7023157644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30803349 (or 30803347 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 7023157644 is about 83804.2817760525. The cubic root of 7023157644 is about 1915.0383360313.

The spelling of 7023157644 in words is "seven billion, twenty-three million, one hundred fifty-seven thousand, six hundred forty-four".