3920290122890 has 8 divisors (see below), whose sum is σ = 7056522221220. Its totient is φ = 1568116049152.

The previous prime is 3920290122871. The next prime is 3920290122923. The reversal of 3920290122890 is 982210920293.

It can be written as a sum of positive squares in 2 ways, for example, as 3659006599609 + 261283523281 = 1912853^2 + 511159^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196014506135 + ... + 196014506154.

Almost surely, 2^{3920290122890} is an apocalyptic number.

3920290122890 is a deficient number, since it is larger than the sum of its proper divisors (3136232098330).

3920290122890 is a wasteful number, since it uses less digits than its factorization.

3920290122890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392029012296.

The product of its (nonzero) digits is 279936, while the sum is 47.

The spelling of 3920290122890 in words is "three trillion, nine hundred twenty billion, two hundred ninety million, one hundred twenty-two thousand, eight hundred ninety".