7045557120 has 768 divisors, whose sum is σ = 29763028800. Its totient is φ = 1569964032.

The previous prime is 7045557097. The next prime is 7045557121. The reversal of 7045557120 is 217555407.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7045557121) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 44876082 + ... + 44876238.

Almost surely, 2^7045557120 is an apocalyptic number.

7045557120 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 7045557120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14881514400).

7045557120 is an abundant number, since it is smaller than the sum of its proper divisors (22717471680).

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

7045557120 is a wasteful number, since it uses less digits than its factorization.

7045557120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 36.

The square root of 7045557120 is about 83937.8169837648. The cubic root of 7045557120 is about 1917.0720998742.

The spelling of 7045557120 in words is "seven billion, forty-five million, five hundred fifty-seven thousand, one hundred twenty".