7055257440 has 192 divisors, whose sum is σ = 27708065280. Its totient is φ = 1466019840.

The previous prime is 7055257423. The next prime is 7055257477. The reversal of 7055257440 is 447525507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58485 + ... + 132404.

It is an arithmetic number, because the mean of its divisors is an integer number (144312840).

Almost surely, 2^7055257440 is an apocalyptic number.

7055257440 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7055257440 is an abundant number, since it is smaller than the sum of its proper divisors (20652807840).

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

7055257440 is a wasteful number, since it uses less digits than its factorization.

7055257440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190925 (or 190917 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 39.

The square root of 7055257440 is about 83995.5798837058. The cubic root of 7055257440 is about 1917.9515044227.

The spelling of 7055257440 in words is "seven billion, fifty-five million, two hundred fifty-seven thousand, four hundred forty".