2631464560 has 40 divisors (see below), whose sum is σ = 6148936800. Its totient is φ = 1047290112.

The previous prime is 2631464557. The next prime is 2631464567. The reversal of 2631464560 is 654641362.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2631464567) 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 7 ways as a sum of consecutive naturals, for example, 66727 + ... + 98566.

It is an arithmetic number, because the mean of its divisors is an integer number (153723420).

Almost surely, 2^2631464560 is an apocalyptic number.

2631464560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2631464560 is an abundant number, since it is smaller than the sum of its proper divisors (3517472240).

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

2631464560 is a wasteful number, since it uses less digits than its factorization.

2631464560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165505 (or 165499 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 2631464560 is about 51297.8026819863. The cubic root of 2631464560 is about 1380.5935554917.

The spelling of 2631464560 in words is "two billion, six hundred thirty-one million, four hundred sixty-four thousand, five hundred sixty".