3955005240 has 64 divisors (see below), whose sum is σ = 11869472160. Its totient is φ = 1054272000.

The previous prime is 3955005217. The next prime is 3955005247. The reversal of 3955005240 is 425005593.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3955005247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460990 + ... + 469490.

Almost surely, 2^3955005240 is an apocalyptic number.

3955005240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3955005240 is an abundant number, since it is smaller than the sum of its proper divisors (7914466920).

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

3955005240 is a wasteful number, since it uses less digits than its factorization.

3955005240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12392 (or 12388 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 3955005240 is about 62888.8323949491. The cubic root of 3955005240 is about 1581.4265330361.

The spelling of 3955005240 in words is "three billion, nine hundred fifty-five million, five thousand, two hundred forty".