4009192730940 has 24 divisors (see below), whose sum is σ = 11225739646800. Its totient is φ = 1069118061568.

The previous prime is 4009192730929. The next prime is 4009192730941. The reversal of 4009192730940 is 490372919004.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4009192730940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4009192730941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33409939365 + ... + 33409939484.

It is an arithmetic number, because the mean of its divisors is an integer number (467739151950).

Almost surely, 2^{4009192730940} is an apocalyptic number.

It is an amenable number.

4009192730940 is an abundant number, since it is smaller than the sum of its proper divisors (7216546915860).

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

4009192730940 is a wasteful number, since it uses less digits than its factorization.

4009192730940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66819878861 (or 66819878859 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The spelling of 4009192730940 in words is "four trillion, nine billion, one hundred ninety-two million, seven hundred thirty thousand, nine hundred forty".