3454643520 has 392 divisors, whose sum is σ = 12592933920. Its totient is φ = 902016000.

The previous prime is 3454643453. The next prime is 3454643557. The reversal of 3454643520 is 253464543.

3454643520 is a `hidden beast` number, since 3 + 4 + 5 + 4 + 643 + 5 + 2 + 0 = 666.

3454643520 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 13763395 + ... + 13763645.

Almost surely, 2^3454643520 is an apocalyptic number.

3454643520 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 3454643520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6296466960).

3454643520 is an abundant number, since it is smaller than the sum of its proper divisors (9138290400).

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

3454643520 is an equidigital number, since it uses as much as digits as its factorization.

3454643520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The square root of 3454643520 is about 58776.2155978079. The cubic root of 3454643520 is about 1511.7074263835.

The spelling of 3454643520 in words is "three billion, four hundred fifty-four million, six hundred forty-three thousand, five hundred twenty".