3967784926140 has 96 divisors (see below), whose sum is σ = 12726235468800. Its totient is φ = 904827718656.

The previous prime is 3967784926109. The next prime is 3967784926159. The reversal of 3967784926140 is 416294877693.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10727040 + ... + 11090759.

It is an arithmetic number, because the mean of its divisors is an integer number (132564952800).

Almost surely, 2^{3967784926140} is an apocalyptic number.

3967784926140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3967784926140 is an abundant number, since it is smaller than the sum of its proper divisors (8758450542660).

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

3967784926140 is a wasteful number, since it uses less digits than its factorization.

3967784926140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21818251 (or 21818249 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 66.

The spelling of 3967784926140 in words is "three trillion, nine hundred sixty-seven billion, seven hundred eighty-four million, nine hundred twenty-six thousand, one hundred forty".