2612661812480 has 54 divisors (see below), whose sum is σ = 6258280019586. Its totient is φ = 1045041593344.

The previous prime is 2612661812471. The next prime is 2612661812483. The reversal of 2612661812480 is 842181662162.

It can be written as a sum of positive squares in only one way, i.e., 2090129449984 + 522532362496 = 1445728^2 + 722864^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2612661812483) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57806531 + ... + 57851709.

Almost surely, 2^{2612661812480} is an apocalyptic number.

2612661812480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2612661812480 is an abundant number, since it is smaller than the sum of its proper divisors (3645618207106).

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

2612661812480 is an frugal number, since it uses more digits than its factorization.

2612661812480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90379 (or 45186 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 47.

The spelling of 2612661812480 in words is "two trillion, six hundred twelve billion, six hundred sixty-one million, eight hundred twelve thousand, four hundred eighty".