4492981440 has 112 divisors (see below), whose sum is σ = 15850270560. Its totient is φ = 1198126080.

The previous prime is 4492981421. The next prime is 4492981453. The reversal of 4492981440 is 441892944.

4492981440 is a `hidden beast` number, since 44 + 92 + 9 + 81 + 440 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 251371 + ... + 268650.

Almost surely, 2^4492981440 is an apocalyptic number.

4492981440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4492981440 is an abundant number, since it is smaller than the sum of its proper divisors (11357289120).

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

4492981440 is a wasteful number, since it uses less digits than its factorization.

4492981440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520047 (or 520031 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 4492981440 is about 67029.7056535384. The cubic root of 4492981440 is about 1650.1048528409.

The spelling of 4492981440 in words is "four billion, four hundred ninety-two million, nine hundred eighty-one thousand, four hundred forty".