2775405542 has 48 divisors (see below), whose sum is σ = 5222878560. Its totient is φ = 1082854656.

The previous prime is 2775405527. The next prime is 2775405547. The reversal of 2775405542 is 2455045772.

It is a self number, because there is not a number n which added to its sum of digits gives 2775405542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2775405547) 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, 164684 + ... + 180752.

It is an arithmetic number, because the mean of its divisors is an integer number (108809970).

Almost surely, 2^2775405542 is an apocalyptic number.

2775405542 is a deficient number, since it is larger than the sum of its proper divisors (2447473018).

2775405542 is a wasteful number, since it uses less digits than its factorization.

2775405542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16177 (or 16164 counting only the distinct ones).

The product of its (nonzero) digits is 392000, while the sum is 41.

The square root of 2775405542 is about 52682.1178579601. The cubic root of 2775405542 is about 1405.3208306391.

The spelling of 2775405542 in words is "two billion, seven hundred seventy-five million, four hundred five thousand, five hundred forty-two".