394070062500 has 567 divisors, whose sum is σ = 1336013973021. Its totient is φ = 101695500000.

The previous prime is 394070062483. The next prime is 394070062501. The reversal of 394070062500 is 5260070493.

The square root of 394070062500 is 627750.

It is a perfect power (a square), and thus also a powerful number.

394070062500 is a `hidden beast` number, since 3 + 94 + 0 + 7 + 0 + 0 + 62 + 500 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 345243205476 + 48826857024 = 587574^2 + 220968^2 .

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

It is not an unprimeable number, because it can be changed into a prime (394070062501) by changing a digit.

It is a polite number, since it can be written in 188 ways as a sum of consecutive naturals, for example, 12711937485 + ... + 12711937515.

Almost surely, 2^394070062500 is an apocalyptic number.

394070062500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

394070062500 is the 627750-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394070062500

394070062500 is an abundant number, since it is smaller than the sum of its proper divisors (941943910521).

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

394070062500 is an frugal number, since it uses more digits than its factorization.

394070062500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

Multiplying 394070062500 by its sum of digits (36), we get a square (14186522250000 = 3766500²).

394070062500 divided by its sum of digits (36) gives a square (10946390625 = 104625²).

The spelling of 394070062500 in words is "three hundred ninety-four billion, seventy million, sixty-two thousand, five hundred".