4091745390 has 32 divisors (see below), whose sum is σ = 9846973440. Its totient is φ = 1088156064.

The previous prime is 4091745331. The next prime is 4091745391. The reversal of 4091745390 is 935471904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4091745391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174810 + ... + 196829.

It is an arithmetic number, because the mean of its divisors is an integer number (307717920).

Almost surely, 2^4091745390 is an apocalyptic number.

4091745390 is an abundant number, since it is smaller than the sum of its proper divisors (5755228050).

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

4091745390 is a wasteful number, since it uses less digits than its factorization.

4091745390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372016.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 4091745390 is about 63966.7522233230. The cubic root of 4091745390 is about 1599.4458223996.

The spelling of 4091745390 in words is "four billion, ninety-one million, seven hundred forty-five thousand, three hundred ninety".