28614742901860 has 48 divisors (see below), whose sum is σ = 61715679190704. Its totient is φ = 11136433264128.

The previous prime is 28614742901839. The next prime is 28614742901923. The reversal of 28614742901860 is 6810924741682.

It can be written as a sum of positive squares in 8 ways, for example, as 8905067666496 + 19709675235364 = 2984136^2 + 4439558^2 .

It is a super-2 number, since 2×28614742901860² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28614742901795 and 28614742901804.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 120173242 + ... + 120411118.

It is an arithmetic number, because the mean of its divisors is an integer number (1285743316473).

Almost surely, 2^{28614742901860} is an apocalyptic number.

28614742901860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28614742901860 is an abundant number, since it is smaller than the sum of its proper divisors (33100936288844).

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

28614742901860 is a wasteful number, since it uses less digits than its factorization.

28614742901860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400480 (or 400478 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 58.

The spelling of 28614742901860 in words is "twenty-eight trillion, six hundred fourteen billion, seven hundred forty-two million, nine hundred one thousand, eight hundred sixty".