40191430442229 has 192 divisors, whose sum is σ = 66464187019776. Its totient is φ = 23187098880000.

The previous prime is 40191430442203. The next prime is 40191430442239. The reversal of 40191430442229 is 92224403419104.

40191430442229 is a `hidden beast` number, since 4 + 0 + 191 + 4 + 30 + 4 + 422 + 2 + 9 = 666.

It is not a de Polignac number, because 40191430442229 - 2⁵ = 40191430442197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40191430442239) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 60803979159 + ... + 60803979819.

It is an arithmetic number, because the mean of its divisors is an integer number (346167640728).

Almost surely, 2^{40191430442229} is an apocalyptic number.

It is an amenable number.

40191430442229 is a deficient number, since it is larger than the sum of its proper divisors (26272756577547).

40191430442229 is a wasteful number, since it uses less digits than its factorization.

40191430442229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820 (or 1817 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 40191430442229 in words is "forty trillion, one hundred ninety-one billion, four hundred thirty million, four hundred forty-two thousand, two hundred twenty-nine".