396628026624 has 180 divisors, whose sum is σ = 1244920193440. Its totient is φ = 125250831360.

The previous prime is 396628026589. The next prime is 396628026629. The reversal of 396628026624 is 426620826693.

It is a happy number.

396628026624 is a `hidden beast` number, since 3 + 9 + 6 + 6 + 2 + 8 + 0 + 2 + 6 + 624 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396628026629) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 109372 + ... + 897339.

Almost surely, 2^396628026624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 396628026624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (622460096720).

396628026624 is an abundant number, since it is smaller than the sum of its proper divisors (848292166816).

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

396628026624 is a wasteful number, since it uses less digits than its factorization.

396628026624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006758 (or 1006735 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 54.

The spelling of 396628026624 in words is "three hundred ninety-six billion, six hundred twenty-eight million, twenty-six thousand, six hundred twenty-four".