390450456000 has 2016 divisors, whose sum is σ = 1718660885760. Its totient is φ = 86780160000.

The previous prime is 390450455957. The next prime is 390450456023. The reversal of 390450456000 is 654054093.

It is a happy number.

390450456000 is a `hidden beast` number, since 3 + 9 + 0 + 4 + 5 + 0 + 45 + 600 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 12595175985 + ... + 12595176015.

It is an arithmetic number, because the mean of its divisors is an integer number (852510360).

Almost surely, 2^390450456000 is an apocalyptic number.

390450456000 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 390450456000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (859330442880).

390450456000 is an abundant number, since it is smaller than the sum of its proper divisors (1328210429760).

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

390450456000 is a wasteful number, since it uses less digits than its factorization.

390450456000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 390450456000 in words is "three hundred ninety billion, four hundred fifty million, four hundred fifty-six thousand".