399730627296 has 1080 divisors, whose sum is σ = 1616391348264. Its totient is φ = 95782901760.

The previous prime is 399730627291. The next prime is 399730627313. The reversal of 399730627296 is 692726037993.

399730627296 is a `hidden beast` number, since 39 + 9 + 7 + 306 + 2 + 7 + 296 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399730627291) by changing a digit.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 236107026 + ... + 236108718.

Almost surely, 2^399730627296 is an apocalyptic number.

399730627296 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 399730627296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (808195674132).

399730627296 is an abundant number, since it is smaller than the sum of its proper divisors (1216660720968).

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

399730627296 is a wasteful number, since it uses less digits than its factorization.

399730627296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766 (or 1729 counting only the distinct ones).

The product of its (nonzero) digits is 46294416, while the sum is 63.

The spelling of 399730627296 in words is "three hundred ninety-nine billion, seven hundred thirty million, six hundred twenty-seven thousand, two hundred ninety-six".