3940397626146 has 8 divisors (see below), whose sum is σ = 7880795252304. Its totient is φ = 1313465875380.

The previous prime is 3940397626141. The next prime is 3940397626147. The reversal of 3940397626146 is 6416267930493.

It is a sphenic number, since it is the product of 3 distinct primes.

3940397626146 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3940397626146.

It is not an unprimeable number, because it can be changed into a prime (3940397626141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328366468840 + ... + 328366468851.

It is an arithmetic number, because the mean of its divisors is an integer number (985099406538).

Almost surely, 2^{3940397626146} is an apocalyptic number.

3940397626146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3940397626146 is a wasteful number, since it uses less digits than its factorization.

3940397626146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656732937696.

The product of its (nonzero) digits is 35271936, while the sum is 60.

The spelling of 3940397626146 in words is "three trillion, nine hundred forty billion, three hundred ninety-seven million, six hundred twenty-six thousand, one hundred forty-six".