2775342464 has 64 divisors (see below), whose sum is σ = 5955576000. Its totient is φ = 1284014592.

The previous prime is 2775342431. The next prime is 2775342467. The reversal of 2775342464 is 4642435772.

It is a tau number, because it is divible by the number of its divisors (64).

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2775342467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91307 + ... + 117845.

It is an arithmetic number, because the mean of its divisors is an integer number (93055875).

Almost surely, 2^2775342464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2775342464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2977788000).

2775342464 is an abundant number, since it is smaller than the sum of its proper divisors (3180233536).

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

2775342464 is a wasteful number, since it uses less digits than its factorization.

2775342464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26615 (or 26603 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 44.

The square root of 2775342464 is about 52681.5191884213. The cubic root of 2775342464 is about 1405.3101840871.

The spelling of 2775342464 in words is "two billion, seven hundred seventy-five million, three hundred forty-two thousand, four hundred sixty-four".