7397988444 has 288 divisors, whose sum is σ = 24517624320. Its totient is φ = 1907539200.

The previous prime is 7397988427. The next prime is 7397988467. The reversal of 7397988444 is 4448897937.

It is a super-2 number, since 2×7397988444² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 9721024 + ... + 9721784.

It is an arithmetic number, because the mean of its divisors is an integer number (85130640).

Almost surely, 2^7397988444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7397988444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12258812160).

7397988444 is an abundant number, since it is smaller than the sum of its proper divisors (17119635876).

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

7397988444 is a wasteful number, since it uses less digits than its factorization.

7397988444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966 (or 951 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 63.

The square root of 7397988444 is about 86011.5599439982. The cubic root of 7397988444 is about 1948.5185718755.

The spelling of 7397988444 in words is "seven billion, three hundred ninety-seven million, nine hundred eighty-eight thousand, four hundred forty-four".