7235618442 has 32 divisors (see below), whose sum is σ = 15587716032. Its totient is φ = 2225871744.

The previous prime is 7235618441. The next prime is 7235618477. The reversal of 7235618442 is 2448165327.

It is a junction number, because it is equal to n+sod(n) for n = 7235618394 and 7235618403.

It is not an unprimeable number, because it can be changed into a prime (7235618441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 603793 + ... + 615659.

It is an arithmetic number, because the mean of its divisors is an integer number (487116126).

Almost surely, 2^7235618442 is an apocalyptic number.

7235618442 is an abundant number, since it is smaller than the sum of its proper divisors (8352097590).

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

7235618442 is a wasteful number, since it uses less digits than its factorization.

7235618442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19702.

The product of its digits is 322560, while the sum is 42.

The square root of 7235618442 is about 85062.4384907933. The cubic root of 7235618442 is about 1934.1577206079.

It can be divided in two parts, 723 and 5618442, that added together give a palindrome (5619165).

The spelling of 7235618442 in words is "seven billion, two hundred thirty-five million, six hundred eighteen thousand, four hundred forty-two".