396169292736 has 224 divisors, whose sum is σ = 1359367034880. Its totient is φ = 110782743552.

The previous prime is 396169292723. The next prime is 396169292767. The reversal of 396169292736 is 637292961693.

396169292736 is a `hidden beast` number, since 3 + 9 + 616 + 9 + 2 + 9 + 2 + 7 + 3 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220086 + ... + 916938.

Almost surely, 2^396169292736 is an apocalyptic number.

396169292736 is a gapful number since it is divisible by the number (36) 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 396169292736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (679683517440).

396169292736 is an abundant number, since it is smaller than the sum of its proper divisors (963197742144).

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

396169292736 is a wasteful number, since it uses less digits than its factorization.

396169292736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696928 (or 696912 counting only the distinct ones).

The product of its digits is 39680928, while the sum is 63.

The spelling of 396169292736 in words is "three hundred ninety-six billion, one hundred sixty-nine million, two hundred ninety-two thousand, seven hundred thirty-six".