3491026560 has 1024 divisors, whose sum is σ = 15667200000. Its totient is φ = 731566080.

The previous prime is 3491026537. The next prime is 3491026571. The reversal of 3491026560 is 656201943.

It is a happy number.

3491026560 is a `hidden beast` number, since 3 + 4 + 91 + 0 + 2 + 6 + 560 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 112613745 + ... + 112613775.

It is an arithmetic number, because the mean of its divisors is an integer number (15300000).

Almost surely, 2^3491026560 is an apocalyptic number.

3491026560 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 3491026560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7833600000).

3491026560 is an abundant number, since it is smaller than the sum of its proper divisors (12176173440).

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

3491026560 is a wasteful number, since it uses less digits than its factorization.

3491026560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 3491026560 is about 59084.9097485982. The cubic root of 3491026560 is about 1516.9958207365.

The spelling of 3491026560 in words is "three billion, four hundred ninety-one million, twenty-six thousand, five hundred sixty".