190774323240 has 32 divisors (see below), whose sum is σ = 572322970080. Its totient is φ = 50873152832.

The previous prime is 190774323217. The next prime is 190774323277. The reversal of 190774323240 is 42323477091.

It is a junction number, because it is equal to n+sod(n) for n = 190774323192 and 190774323201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 794892894 + ... + 794893133.

It is an arithmetic number, because the mean of its divisors is an integer number (17885092815).

Almost surely, 2^190774323240 is an apocalyptic number.

190774323240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190774323240 is an abundant number, since it is smaller than the sum of its proper divisors (381548646840).

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

190774323240 is a wasteful number, since it uses less digits than its factorization.

190774323240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589786041 (or 1589786037 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 42.

The spelling of 190774323240 in words is "one hundred ninety billion, seven hundred seventy-four million, three hundred twenty-three thousand, two hundred forty".