7256485380 has 24 divisors (see below), whose sum is σ = 20318159232. Its totient is φ = 1935062752.

The previous prime is 7256485351. The next prime is 7256485381. The reversal of 7256485380 is 835846527.

It is not an unprimeable number, because it can be changed into a prime (7256485381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60470652 + ... + 60470771.

It is an arithmetic number, because the mean of its divisors is an integer number (846589968).

Almost surely, 2^7256485380 is an apocalyptic number.

It is an amenable number.

7256485380 is an abundant number, since it is smaller than the sum of its proper divisors (13061673852).

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

7256485380 is a wasteful number, since it uses less digits than its factorization.

7256485380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120941435 (or 120941433 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 48.

The square root of 7256485380 is about 85185.0067793623. The cubic root of 7256485380 is about 1936.0152542027.

The spelling of 7256485380 in words is "seven billion, two hundred fifty-six million, four hundred eighty-five thousand, three hundred eighty".