3451045007520 has 1440 divisors, whose sum is σ = 13939669054080. Its totient is φ = 802806681600.

The previous prime is 3451045007513. The next prime is 3451045007521. The reversal of 3451045007520 is 257005401543.

3451045007520 is a `hidden beast` number, since 3 + 4 + 510 + 4 + 50 + 0 + 75 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (1440).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3451045007521) 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 239 ways as a sum of consecutive naturals, for example, 4113283261 + ... + 4113284099.

It is an arithmetic number, because the mean of its divisors is an integer number (9680325732).

Almost surely, 2^{3451045007520} is an apocalyptic number.

3451045007520 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 3451045007520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6969834527040).

3451045007520 is an abundant number, since it is smaller than the sum of its proper divisors (10488624046560).

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

3451045007520 is a wasteful number, since it uses less digits than its factorization.

3451045007520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992 (or 964 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The spelling of 3451045007520 in words is "three trillion, four hundred fifty-one billion, forty-five million, seven thousand, five hundred twenty".