68455354000 has 80 divisors (see below), whose sum is σ = 180572835456. Its totient is φ = 24892848000.

The previous prime is 68455353977. The next prime is 68455354001. The reversal of 68455354000 is 45355486.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×68455354000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (68455354001) 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 15 ways as a sum of consecutive naturals, for example, 1533804 + ... + 1577803.

Almost surely, 2^68455354000 is an apocalyptic number.

It is an amenable number.

68455354000 is an abundant number, since it is smaller than the sum of its proper divisors (112117481456).

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

68455354000 is a wasteful number, since it uses less digits than its factorization.

68455354000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111641 (or 3111625 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 68455354000 in words is "sixty-eight billion, four hundred fifty-five million, three hundred fifty-four thousand".