40231423292 has 6 divisors (see below), whose sum is σ = 70404990768. Its totient is φ = 20115711644.

The previous prime is 40231423217. The next prime is 40231423411. The reversal of 40231423292 is 29232413204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5028927908 + ... + 5028927915.

It is an arithmetic number, because the mean of its divisors is an integer number (11734165128).

Almost surely, 2^40231423292 is an apocalyptic number.

It is an amenable number.

40231423292 is a deficient number, since it is larger than the sum of its proper divisors (30173567476).

40231423292 is a wasteful number, since it uses less digits than its factorization.

40231423292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10057855827 (or 10057855825 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 40231423292 its reverse (29232413204), we get a palindrome (69463836496).

The spelling of 40231423292 in words is "forty billion, two hundred thirty-one million, four hundred twenty-three thousand, two hundred ninety-two".