3953471240 has 16 divisors (see below), whose sum is σ = 8895310380. Its totient is φ = 1581388480.

The previous prime is 3953471239. The next prime is 3953471243. The reversal of 3953471240 is 421743593.

3953471240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3898503844 + 54967396 = 62438^2 + 7414^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3953471194 and 3953471203.

It is not an unprimeable number, because it can be changed into a prime (3953471243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49418351 + ... + 49418430.

Almost surely, 2^3953471240 is an apocalyptic number.

It is an amenable number.

3953471240 is an abundant number, since it is smaller than the sum of its proper divisors (4941839140).

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

3953471240 is a wasteful number, since it uses less digits than its factorization.

3953471240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98836792 (or 98836788 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 3953471240 is about 62876.6350880834. The cubic root of 3953471240 is about 1581.2220476762. Note that the first 3 decimals are identical.

The spelling of 3953471240 in words is "three billion, nine hundred fifty-three million, four hundred seventy-one thousand, two hundred forty".