4325562640 has 80 divisors (see below), whose sum is σ = 11760997248. Its totient is φ = 1448552448.

The previous prime is 4325562611. The next prime is 4325562677. The reversal of 4325562640 is 462655234.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 4325562640.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65737 + ... + 113896.

Almost surely, 2^4325562640 is an apocalyptic number.

4325562640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4325562640 is an abundant number, since it is smaller than the sum of its proper divisors (7435434608).

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

4325562640 is a wasteful number, since it uses less digits than its factorization.

4325562640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179696 (or 179690 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

The square root of 4325562640 is about 65769.0097234252. The cubic root of 4325562640 is about 1629.3493130944.

The spelling of 4325562640 in words is "four billion, three hundred twenty-five million, five hundred sixty-two thousand, six hundred forty".