2630478774 has 192 divisors, whose sum is σ = 6962135040. Its totient is φ = 647697600.

The previous prime is 2630478757. The next prime is 2630478791. The reversal of 2630478774 is 4778740362.

It is an interprime number because it is at equal distance from previous prime (2630478757) and next prime (2630478791).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9294837 + ... + 9295119.

It is an arithmetic number, because the mean of its divisors is an integer number (36261120).

Almost surely, 2^2630478774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2630478774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3481067520).

2630478774 is an abundant number, since it is smaller than the sum of its proper divisors (4331656266).

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

2630478774 is a wasteful number, since it uses less digits than its factorization.

2630478774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 48.

The square root of 2630478774 is about 51288.1933197105. The cubic root of 2630478774 is about 1380.4211369583.

The spelling of 2630478774 in words is "two billion, six hundred thirty million, four hundred seventy-eight thousand, seven hundred seventy-four".