2774313990 has 192 divisors, whose sum is σ = 8750117376. Its totient is φ = 619218432.

The previous prime is 2774313967. The next prime is 2774314009. The reversal of 2774313990 is 993134772.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 729534 + ... + 733326.

It is an arithmetic number, because the mean of its divisors is an integer number (45573528).

Almost surely, 2^2774313990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2774313990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4375058688).

2774313990 is an abundant number, since it is smaller than the sum of its proper divisors (5975803386).

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

2774313990 is a wasteful number, since it uses less digits than its factorization.

2774313990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3865 (or 3853 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 2774313990 is about 52671.7570430302. The cubic root of 2774313990 is about 1405.1365714518.

The spelling of 2774313990 in words is "two billion, seven hundred seventy-four million, three hundred thirteen thousand, nine hundred ninety".