4453977942 has 80 divisors (see below), whose sum is σ = 10109457072. Its totient is φ = 1465551360.

The previous prime is 4453977937. The next prime is 4453977943. The reversal of 4453977942 is 2497793544.

4453977942 is a `hidden beast` number, since 445 + 3 + 97 + 79 + 42 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4453977943) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 8548642 + ... + 8549162.

Almost surely, 2^4453977942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4453977942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5054728536).

4453977942 is an abundant number, since it is smaller than the sum of its proper divisors (5655479130).

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

4453977942 is a wasteful number, since it uses less digits than its factorization.

4453977942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115 (or 1106 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 54.

The square root of 4453977942 is about 66738.1295962061. The cubic root of 4453977942 is about 1645.3161246712.

The spelling of 4453977942 in words is "four billion, four hundred fifty-three million, nine hundred seventy-seven thousand, nine hundred forty-two".