3955808429040 has 80 divisors (see below), whose sum is σ = 13206314304288. Its totient is φ = 973737458688.

The previous prime is 3955808429029. The next prime is 3955808429051. The reversal of 3955808429040 is 409248085593.

It is an interprime number because it is at equal distance from previous prime (3955808429029) and next prime (3955808429051).

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

It is a congruent number.

It is an unprimeable number.

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, 633940539 + ... + 633946778.

Almost surely, 2^{3955808429040} is an apocalyptic number.

3955808429040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3955808429040 is an abundant number, since it is smaller than the sum of its proper divisors (9250505875248).

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

3955808429040 is a wasteful number, since it uses less digits than its factorization.

3955808429040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267887346 (or 1267887340 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 57.

The spelling of 3955808429040 in words is "three trillion, nine hundred fifty-five billion, eight hundred eight million, four hundred twenty-nine thousand, forty".