390485974705 has 8 divisors (see below), whose sum is σ = 469111453632. Its totient is φ = 312036590448.

The previous prime is 390485974687. The next prime is 390485974729. The reversal of 390485974705 is 507479584093.

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

It is a cyclic number.

It is not a de Polignac number, because 390485974705 - 2⁵ = 390485974673 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44018787 + ... + 44027656.

It is an arithmetic number, because the mean of its divisors is an integer number (58638931704).

Almost surely, 2^390485974705 is an apocalyptic number.

It is an amenable number.

390485974705 is a deficient number, since it is larger than the sum of its proper divisors (78625478927).

390485974705 is an equidigital number, since it uses as much as digits as its factorization.

390485974705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88047335.

The product of its (nonzero) digits is 38102400, while the sum is 61.

The spelling of 390485974705 in words is "three hundred ninety billion, four hundred eighty-five million, nine hundred seventy-four thousand, seven hundred five".