396494622720 has 1248 divisors, whose sum is σ = 1695768182784. Its totient is φ = 83696025600.

The previous prime is 396494622691. The next prime is 396494622757. The reversal of 396494622720 is 27226494693.

396494622720 is a `hidden beast` number, since 3 + 9 + 6 + 4 + 9 + 4 + 622 + 7 + 2 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 919940905 + ... + 919941335.

It is an arithmetic number, because the mean of its divisors is an integer number (1358788608).

Almost surely, 2^396494622720 is an apocalyptic number.

396494622720 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 396494622720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (847884091392).

396494622720 is an abundant number, since it is smaller than the sum of its proper divisors (1299273560064).

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

396494622720 is a wasteful number, since it uses less digits than its factorization.

396494622720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 54.

The spelling of 396494622720 in words is "three hundred ninety-six billion, four hundred ninety-four million, six hundred twenty-two thousand, seven hundred twenty".