1118920446 has 64 divisors (see below), whose sum is σ = 2902210560. Its totient is φ = 312884640.

The previous prime is 1118920423. The next prime is 1118920447. The reversal of 1118920446 is 6440298111.

1118920446 is a `hidden beast` number, since 11 + 189 + 20 + 446 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1118920446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118920447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13725 + ... + 49256.

It is an arithmetic number, because the mean of its divisors is an integer number (45347040).

Almost surely, 2^1118920446 is an apocalyptic number.

1118920446 is an abundant number, since it is smaller than the sum of its proper divisors (1783290114).

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

1118920446 is a wasteful number, since it uses less digits than its factorization.

1118920446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63046 (or 63040 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1118920446 is about 33450.2682500455. The cubic root of 1118920446 is about 1038.1650477636.

The spelling of 1118920446 in words is "one billion, one hundred eighteen million, nine hundred twenty thousand, four hundred forty-six".