2631581848 has 24 divisors (see below), whose sum is σ = 5739803100. Its totient is φ = 1127820624.

The previous prime is 2631581839. The next prime is 2631581863. The reversal of 2631581848 is 8481851362.

It is a junction number, because it is equal to n+sod(n) for n = 2631581798 and 2631581807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3356218 + ... + 3357001.

Almost surely, 2^2631581848 is an apocalyptic number.

2631581848 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2631581848 is an abundant number, since it is smaller than the sum of its proper divisors (3108221252).

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

2631581848 is a wasteful number, since it uses less digits than its factorization.

2631581848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6713239 (or 6713228 counting only the distinct ones).

The product of its digits is 368640, while the sum is 46.

The square root of 2631581848 is about 51298.9458761094. The cubic root of 2631581848 is about 1380.6140668391.

The spelling of 2631581848 in words is "two billion, six hundred thirty-one million, five hundred eighty-one thousand, eight hundred forty-eight".