274249734990 has 128 divisors (see below), whose sum is σ = 822519152640. Its totient is φ = 56854531200.

The previous prime is 274249734989. The next prime is 274249735027. The reversal of 274249734990 is 99437942472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 857881 + ... + 1133339.

It is an arithmetic number, because the mean of its divisors is an integer number (6425930880).

Almost surely, 2^274249734990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274249734990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411259576320).

274249734990 is an abundant number, since it is smaller than the sum of its proper divisors (548269417650).

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

274249734990 is a wasteful number, since it uses less digits than its factorization.

274249734990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275918.

The product of its (nonzero) digits is 27433728, while the sum is 60.

The spelling of 274249734990 in words is "two hundred seventy-four billion, two hundred forty-nine million, seven hundred thirty-four thousand, nine hundred ninety".