28360499442 has 32 divisors (see below), whose sum is σ = 61940035584. Its totient is φ = 8585398800.

The previous prime is 28360499437. The next prime is 28360499477. The reversal of 28360499442 is 24499406382.

It is a super-2 number, since 2×28360499442² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151398 + ... + 282209.

It is an arithmetic number, because the mean of its divisors is an integer number (1935626112).

Almost surely, 2^28360499442 is an apocalyptic number.

28360499442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28360499442 is an abundant number, since it is smaller than the sum of its proper divisors (33579536142).

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

28360499442 is a wasteful number, since it uses less digits than its factorization.

28360499442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434614.

The product of its (nonzero) digits is 2985984, while the sum is 51.

The spelling of 28360499442 in words is "twenty-eight billion, three hundred sixty million, four hundred ninety-nine thousand, four hundred forty-two".