7639742880 has 1152 divisors, whose sum is σ = 36114543360. Its totient is φ = 1486356480.

The previous prime is 7639742879. The next prime is 7639742893. The reversal of 7639742880 is 882479367.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 191 ways as a sum of consecutive naturals, for example, 39584064 + ... + 39584256.

It is an arithmetic number, because the mean of its divisors is an integer number (31349430).

Almost surely, 2^7639742880 is an apocalyptic number.

7639742880 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7639742880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18057271680).

7639742880 is an abundant number, since it is smaller than the sum of its proper divisors (28474800480).

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

7639742880 is a wasteful number, since it uses less digits than its factorization.

7639742880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The square root of 7639742880 is about 87405.6227024326. The cubic root of 7639742880 is about 1969.5163061327.

The spelling of 7639742880 in words is "seven billion, six hundred thirty-nine million, seven hundred forty-two thousand, eight hundred eighty".