390420415072080 has 640 divisors, whose sum is σ = 1437600719808000. Its totient is φ = 97212126412800.

The previous prime is 390420415072007. The next prime is 390420415072081. The reversal of 390420415072080 is 80270514024093.

390420415072080 is a `hidden beast` number, since 3 + 9 + 0 + 4 + 2 + 0 + 41 + 507 + 20 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390420415072081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 271327956 + ... + 272763084.

It is an arithmetic number, because the mean of its divisors is an integer number (2246251124700).

Almost surely, 2^{390420415072080} is an apocalyptic number.

390420415072080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 390420415072080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (718800359904000).

390420415072080 is an abundant number, since it is smaller than the sum of its proper divisors (1047180304735920).

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

390420415072080 is a wasteful number, since it uses less digits than its factorization.

390420415072080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435324 (or 1435312 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 390420415072080 in words is "three hundred ninety trillion, four hundred twenty billion, four hundred fifteen million, seventy-two thousand, eighty".