2730646464 has 224 divisors, whose sum is σ = 8937223680. Its totient is φ = 716525568.

The previous prime is 2730646447. The next prime is 2730646483. The reversal of 2730646464 is 4646460372.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×2730646464² = 14912860222711406592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6516847 + ... + 6517265.

It is an arithmetic number, because the mean of its divisors is an integer number (39898320).

Almost surely, 2^2730646464 is an apocalyptic number.

2730646464 is a gapful number since it is divisible by the number (24) 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 2730646464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4468611840).

2730646464 is an abundant number, since it is smaller than the sum of its proper divisors (6206577216).

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

2730646464 is a wasteful number, since it uses less digits than its factorization.

2730646464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827 (or 817 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 42.

The square root of 2730646464 is about 52255.5878734514. The cubic root of 2730646464 is about 1397.7252965667.

The spelling of 2730646464 in words is "two billion, seven hundred thirty million, six hundred forty-six thousand, four hundred sixty-four".