7435540128 has 48 divisors (see below), whose sum is σ = 20045823840. Its totient is φ = 2411525376.

The previous prime is 7435540093. The next prime is 7435540129. The reversal of 7435540128 is 8210455347.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (7435540129) 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, 1043118 + ... + 1050221.

It is an arithmetic number, because the mean of its divisors is an integer number (417621330).

Almost surely, 2^7435540128 is an apocalyptic number.

It is an amenable number.

7435540128 is an abundant number, since it is smaller than the sum of its proper divisors (12610283712).

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

7435540128 is a wasteful number, since it uses less digits than its factorization.

7435540128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093389 (or 2093381 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 7435540128 is about 86229.5780344540. The cubic root of 7435540128 is about 1951.8098584164.

The spelling of 7435540128 in words is "seven billion, four hundred thirty-five million, five hundred forty thousand, one hundred twenty-eight".