4466691378 has 24 divisors (see below), whose sum is σ = 10036270608. Its totient is φ = 1488896964.

The previous prime is 4466691337. The next prime is 4466691391. The reversal of 4466691378 is 8731966644.

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 11 ways as a sum of consecutive naturals, for example, 4594876 + ... + 4595847.

It is an arithmetic number, because the mean of its divisors is an integer number (418177942).

Almost surely, 2^4466691378 is an apocalyptic number.

4466691378 is an abundant number, since it is smaller than the sum of its proper divisors (5569579230).

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

4466691378 is an equidigital number, since it uses as much as digits as its factorization.

4466691378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9190740 (or 9190728 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 4466691378 is about 66833.3103923485. The cubic root of 4466691378 is about 1646.8801011586.

The spelling of 4466691378 in words is "four billion, four hundred sixty-six million, six hundred ninety-one thousand, three hundred seventy-eight".