28362620156 has 12 divisors (see below), whose sum is σ = 53452630392. Its totient is φ = 13090440048.

The previous prime is 28362620149. The next prime is 28362620159. The reversal of 28362620156 is 65102626382.

It is a happy number.

It is a super-2 number, since 2×28362620156² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28362620159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272717450 + ... + 272717553.

It is an arithmetic number, because the mean of its divisors is an integer number (4454385866).

Almost surely, 2^28362620156 is an apocalyptic number.

28362620156 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28362620156 is a deficient number, since it is larger than the sum of its proper divisors (25090010236).

28362620156 is a wasteful number, since it uses less digits than its factorization.

28362620156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545435020 (or 545435018 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 28362620156 in words is "twenty-eight billion, three hundred sixty-two million, six hundred twenty thousand, one hundred fifty-six".