3954132393840 has 80 divisors (see below), whose sum is σ = 13619789364000. Its totient is φ = 1054435304448.

The previous prime is 3954132393833. The next prime is 3954132393889. The reversal of 3954132393840 is 483932314593.

3954132393840 is a `hidden beast` number, since 3 + 9 + 541 + 3 + 2 + 3 + 93 + 8 + 4 + 0 = 666.

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

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 915306265 + ... + 915310584.

It is an arithmetic number, because the mean of its divisors is an integer number (170247367050).

Almost surely, 2^{3954132393840} is an apocalyptic number.

3954132393840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3954132393840 is an abundant number, since it is smaller than the sum of its proper divisors (9665656970160).

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

3954132393840 is a wasteful number, since it uses less digits than its factorization.

3954132393840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830616871 (or 1830616859 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 54.

The spelling of 3954132393840 in words is "three trillion, nine hundred fifty-four billion, one hundred thirty-two million, three hundred ninety-three thousand, eight hundred forty".