4040945892 has 36 divisors (see below), whose sum is σ = 10319927436. Its totient is φ = 1333094400.

The previous prime is 4040945891. The next prime is 4040945893. The reversal of 4040945892 is 2985490404.

It is an interprime number because it is at equal distance from previous prime (4040945891) and next prime (4040945893).

It can be written as a sum of positive squares in 2 ways, for example, as 577152576 + 3463793316 = 24024^2 + 58854^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (4040945891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 575109 + ... + 582092.

It is an arithmetic number, because the mean of its divisors is an integer number (286664651).

Almost surely, 2^4040945892 is an apocalyptic number.

It is an amenable number.

4040945892 is an abundant number, since it is smaller than the sum of its proper divisors (6278981544).

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

4040945892 is a wasteful number, since it uses less digits than its factorization.

4040945892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157308 (or 1157303 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 4040945892 is about 63568.4347140938. The cubic root of 4040945892 is about 1592.7991372060.

The spelling of 4040945892 in words is "four billion, forty million, nine hundred forty-five thousand, eight hundred ninety-two".