4492121600 has 60 divisors (see below), whose sum is σ = 11129613924. Its totient is φ = 1796843520.

The previous prime is 4492121573. The next prime is 4492121609. The reversal of 4492121600 is 61212944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4492121609) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 162674 + ... + 188273.

Almost surely, 2^4492121600 is an apocalyptic number.

4492121600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4492121600 is an abundant number, since it is smaller than the sum of its proper divisors (6637492324).

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

4492121600 is an equidigital number, since it uses as much as digits as its factorization.

4492121600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350975 (or 350954 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 4492121600 is about 67023.2914739346. The cubic root of 4492121600 is about 1649.9995837158. Note that the first 3 decimals are identical.

The spelling of 4492121600 in words is "four billion, four hundred ninety-two million, one hundred twenty-one thousand, six hundred".