28906303142 has 16 divisors (see below), whose sum is σ = 44262754800. Its totient is φ = 14154121440.

The previous prime is 28906303051. The next prime is 28906303157. The reversal of 28906303142 is 24130360982.

It is a super-2 number, since 2×28906303142² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28906303096 and 28906303105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489392 + ... + 545267.

It is an arithmetic number, because the mean of its divisors is an integer number (2766422175).

Almost surely, 2^28906303142 is an apocalyptic number.

28906303142 is a deficient number, since it is larger than the sum of its proper divisors (15356451658).

28906303142 is a wasteful number, since it uses less digits than its factorization.

28906303142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034951.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 28906303142 in words is "twenty-eight billion, nine hundred six million, three hundred three thousand, one hundred forty-two".