2631325340 has 48 divisors (see below), whose sum is σ = 6339840192. Its totient is φ = 898646016.

The previous prime is 2631325339. The next prime is 2631325351. The reversal of 2631325340 is 435231362.

It is a super-2 number, since 2×2631325340² = 13847746089852231200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 587 + ... + 72546.

It is an arithmetic number, because the mean of its divisors is an integer number (132080004).

Almost surely, 2^2631325340 is an apocalyptic number.

2631325340 is a gapful number since it is divisible by the number (20) 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 2631325340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3169920096).

2631325340 is an abundant number, since it is smaller than the sum of its proper divisors (3708514852).

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

2631325340 is a wasteful number, since it uses less digits than its factorization.

2631325340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73406 (or 73404 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 2631325340 is about 51296.4456858368. The cubic root of 2631325340 is about 1380.5692078810.

The spelling of 2631325340 in words is "two billion, six hundred thirty-one million, three hundred twenty-five thousand, three hundred forty".