4552123440 has 80 divisors (see below), whose sum is σ = 14118212448. Its totient is φ = 1213329408.

The previous prime is 4552123427. The next prime is 4552123451. The reversal of 4552123440 is 443212554.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4552123398 and 4552123407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 841384 + ... + 846776.

Almost surely, 2^4552123440 is an apocalyptic number.

4552123440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4552123440 is an abundant number, since it is smaller than the sum of its proper divisors (9566089008).

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

4552123440 is a wasteful number, since it uses less digits than its factorization.

4552123440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8926 (or 8920 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 4552123440 is about 67469.4259646545. The cubic root of 4552123440 is about 1657.3135334371.

Adding to 4552123440 its reverse (443212554), we get a palindrome (4995335994).

The spelling of 4552123440 in words is "four billion, five hundred fifty-two million, one hundred twenty-three thousand, four hundred forty".