2774562438 has 64 divisors (see below), whose sum is σ = 6101280000. Its totient is φ = 837972864.

The previous prime is 2774562433. The next prime is 2774562449. The reversal of 2774562438 is 8342654772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2774562431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243288 + ... + 254436.

It is an arithmetic number, because the mean of its divisors is an integer number (95332500).

Almost surely, 2^2774562438 is an apocalyptic number.

2774562438 is an abundant number, since it is smaller than the sum of its proper divisors (3326717562).

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

2774562438 is a wasteful number, since it uses less digits than its factorization.

2774562438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11269.

The product of its digits is 2257920, while the sum is 48.

The square root of 2774562438 is about 52674.1154458241. The cubic root of 2774562438 is about 1405.1785149078.

The spelling of 2774562438 in words is "two billion, seven hundred seventy-four million, five hundred sixty-two thousand, four hundred thirty-eight".