428019292158 has 32 divisors (see below), whose sum is σ = 857149322496. Its totient is φ = 142488099648.

The previous prime is 428019292139. The next prime is 428019292159. The reversal of 428019292158 is 851292910824.

It is a self number, because there is not a number n which added to its sum of digits gives 428019292158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428019292159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15205485 + ... + 15233607.

It is an arithmetic number, because the mean of its divisors is an integer number (26785916328).

Almost surely, 2^428019292158 is an apocalyptic number.

428019292158 is an abundant number, since it is smaller than the sum of its proper divisors (429130030338).

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

428019292158 is a wasteful number, since it uses less digits than its factorization.

428019292158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31328.

The product of its (nonzero) digits is 829440, while the sum is 51.

The spelling of 428019292158 in words is "four hundred twenty-eight billion, nineteen million, two hundred ninety-two thousand, one hundred fifty-eight".