40239197822 has 8 divisors (see below), whose sum is σ = 60359651400. Its totient is φ = 20119314024.

The previous prime is 40239197821. The next prime is 40239197837. The reversal of 40239197822 is 22879193204.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40239197821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181004 + ... + 336512.

It is an arithmetic number, because the mean of its divisors is an integer number (7544956425).

Almost surely, 2^40239197822 is an apocalyptic number.

40239197822 is a deficient number, since it is larger than the sum of its proper divisors (20120453578).

40239197822 is a wasteful number, since it uses less digits than its factorization.

40239197822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284890.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 40239197822 in words is "forty billion, two hundred thirty-nine million, one hundred ninety-seven thousand, eight hundred twenty-two".