2612463140 has 72 divisors (see below), whose sum is σ = 6617403072. Its totient is φ = 848543040.

The previous prime is 2612463131. The next prime is 2612463143. The reversal of 2612463140 is 413642162.

It is not an unprimeable number, because it can be changed into a prime (2612463143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24695 + ... + 76385.

It is an arithmetic number, because the mean of its divisors is an integer number (91908376).

Almost surely, 2^2612463140 is an apocalyptic number.

2612463140 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 2612463140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3308701536).

2612463140 is an abundant number, since it is smaller than the sum of its proper divisors (4004939932).

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

2612463140 is a wasteful number, since it uses less digits than its factorization.

2612463140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51745 (or 51724 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2612463140 is about 51112.2601730739. The cubic root of 2612463140 is about 1377.2625036451.

The spelling of 2612463140 in words is "two billion, six hundred twelve million, four hundred sixty-three thousand, one hundred forty".