2775085404 has 240 divisors, whose sum is σ = 8432578560. Its totient is φ = 705317760.

The previous prime is 2775085403. The next prime is 2775085409. The reversal of 2775085404 is 4045805772.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2775085403) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 11611117 + ... + 11611355.

It is an arithmetic number, because the mean of its divisors is an integer number (35135744).

Almost surely, 2^2775085404 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 2775085404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4216289280).

2775085404 is an abundant number, since it is smaller than the sum of its proper divisors (5657493156).

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

2775085404 is a wasteful number, since it uses less digits than its factorization.

2775085404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 42.

The square root of 2775085404 is about 52679.0793769215. The cubic root of 2775085404 is about 1405.2667948244.

The spelling of 2775085404 in words is "two billion, seven hundred seventy-five million, eighty-five thousand, four hundred four".