1954433358 has 48 divisors (see below), whose sum is σ = 4265273376. Its totient is φ = 646778880.

The previous prime is 1954433333. The next prime is 1954433381. The reversal of 1954433358 is 8533344591.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2687991 + ... + 2688717.

It is an arithmetic number, because the mean of its divisors is an integer number (88859862).

Almost surely, 2^1954433358 is an apocalyptic number.

1954433358 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1954433358 is an abundant number, since it is smaller than the sum of its proper divisors (2310840018).

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

1954433358 is a wasteful number, since it uses less digits than its factorization.

1954433358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609 (or 1606 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 1954433358 is about 44208.9737270613. The cubic root of 1954433358 is about 1250.2790540718.

The spelling of 1954433358 in words is "one billion, nine hundred fifty-four million, four hundred thirty-three thousand, three hundred fifty-eight".