390729055047 has 16 divisors (see below), whose sum is σ = 543038266752. Its totient is φ = 249663094560.

The previous prime is 390729055043. The next prime is 390729055049. The reversal of 390729055047 is 740550927093.

It is not a de Polignac number, because 390729055047 - 2² = 390729055043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390729055043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26261829 + ... + 26276702.

It is an arithmetic number, because the mean of its divisors is an integer number (33939891672).

Almost surely, 2^390729055047 is an apocalyptic number.

390729055047 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

390729055047 is a deficient number, since it is larger than the sum of its proper divisors (152309211705).

390729055047 is a wasteful number, since it uses less digits than its factorization.

390729055047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52538638.

The product of its (nonzero) digits is 2381400, while the sum is 51.

The spelling of 390729055047 in words is "three hundred ninety billion, seven hundred twenty-nine million, fifty-five thousand, forty-seven".