7240389120 has 480 divisors, whose sum is σ = 26489054592. Its totient is φ = 1895104512.

The previous prime is 7240389073. The next prime is 7240389127. The reversal of 7240389120 is 219830427.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (7240389127) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64074184 + ... + 64074296.

Almost surely, 2^7240389120 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 7240389120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13244527296).

7240389120 is an abundant number, since it is smaller than the sum of its proper divisors (19248665472).

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

7240389120 is a wasteful number, since it uses less digits than its factorization.

7240389120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 7240389120 is about 85090.4760828143. The cubic root of 7240389120 is about 1934.5827115313.

The spelling of 7240389120 in words is "seven billion, two hundred forty million, three hundred eighty-nine thousand, one hundred twenty".