3955143456 has 108 divisors (see below), whose sum is σ = 12362996646. Its totient is φ = 1198517760.

The previous prime is 3955143421. The next prime is 3955143461. The reversal of 3955143456 is 6543415593.

3955143456 is a `hidden beast` number, since 3 + 9 + 55 + 143 + 456 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3931290000 + 23853456 = 62700^2 + 4884^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21901 + ... + 91596.

Almost surely, 2^3955143456 is an apocalyptic number.

3955143456 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3955143456 is an abundant number, since it is smaller than the sum of its proper divisors (8407853190).

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

3955143456 is a wasteful number, since it uses less digits than its factorization.

3955143456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113535 (or 113513 counting only the distinct ones).

The product of its digits is 972000, while the sum is 45.

The square root of 3955143456 is about 62889.9312767950. The cubic root of 3955143456 is about 1581.4449549167. Note that the first 3 decimals are identical.

The spelling of 3955143456 in words is "three billion, nine hundred fifty-five million, one hundred forty-three thousand, four hundred fifty-six".