33454389000 has 256 divisors, whose sum is σ = 106007616000. Its totient is φ = 8783078400.

The previous prime is 33454388971. The next prime is 33454389043. The reversal of 33454389000 is 98345433.

It is a super-2 number, since 2×33454389000² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33454389000.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 86000806 + ... + 86001194.

It is an arithmetic number, because the mean of its divisors is an integer number (414092250).

Almost surely, 2^33454389000 is an apocalyptic number.

33454389000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33454389000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53003808000).

33454389000 is an abundant number, since it is smaller than the sum of its proper divisors (72553227000).

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

33454389000 is a wasteful number, since it uses less digits than its factorization.

33454389000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785 (or 771 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 33454389000 in words is "thirty-three billion, four hundred fifty-four million, three hundred eighty-nine thousand".