428361396372 has 144 divisors (see below), whose sum is σ = 1332913021440. Its totient is φ = 112954673664.

The previous prime is 428361396371. The next prime is 428361396373. The reversal of 428361396372 is 273693163824.

428361396372 is a `hidden beast` number, since 428 + 3 + 61 + 3 + 96 + 3 + 72 = 666.

It is an interprime number because it is at equal distance from previous prime (428361396371) and next prime (428361396373).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428361396371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36944208 + ... + 36955800.

Almost surely, 2^428361396372 is an apocalyptic number.

428361396372 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

428361396372 is an abundant number, since it is smaller than the sum of its proper divisors (904551625068).

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

428361396372 is a wasteful number, since it uses less digits than its factorization.

428361396372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22902 (or 22897 counting only the distinct ones).

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

The spelling of 428361396372 in words is "four hundred twenty-eight billion, three hundred sixty-one million, three hundred ninety-six thousand, three hundred seventy-two".