4499378442 has 40 divisors (see below), whose sum is σ = 10857479556. Its totient is φ = 1384423488.

The previous prime is 4499378407. The next prime is 4499378509. The reversal of 4499378442 is 2448739944.

4499378442 is a `hidden beast` number, since 4 + 49 + 93 + 78 + 442 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4374631881 + 124746561 = 66141^2 + 11169^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1066123 + ... + 1070334.

Almost surely, 2^4499378442 is an apocalyptic number.

4499378442 is an abundant number, since it is smaller than the sum of its proper divisors (6358101114).

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

4499378442 is a wasteful number, since it uses less digits than its factorization.

4499378442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136484 (or 2136475 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The square root of 4499378442 is about 67077.4063452069. The cubic root of 4499378442 is about 1650.8876083808.

The spelling of 4499378442 in words is "four billion, four hundred ninety-nine million, three hundred seventy-eight thousand, four hundred forty-two".