7452993144 has 64 divisors (see below), whose sum is σ = 18867513600. Its totient is φ = 2453071104.

The previous prime is 7452993109. The next prime is 7452993167. The reversal of 7452993144 is 4413992547.

It is a super-2 number, since 2×7452993144² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7452993093 and 7452993102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1935429 + ... + 1939275.

It is an arithmetic number, because the mean of its divisors is an integer number (294804900).

Almost surely, 2^7452993144 is an apocalyptic number.

It is an amenable number.

7452993144 is an abundant number, since it is smaller than the sum of its proper divisors (11414520456).

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

7452993144 is a wasteful number, since it uses less digits than its factorization.

7452993144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4852 (or 4848 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The square root of 7452993144 is about 86330.7195846299. The cubic root of 7452993144 is about 1953.3357888303.

The spelling of 7452993144 in words is "seven billion, four hundred fifty-two million, nine hundred ninety-three thousand, one hundred forty-four".