40191126 has 16 divisors (see below), whose sum is σ = 81134784. Its totient is φ = 13271624.

The previous prime is 40191113. The next prime is 40191133. The reversal of 40191126 is 62119104.

It is a junction number, because it is equal to n+sod(n) for n = 40191096 and 40191105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30660 + ... + 31943.

It is an arithmetic number, because the mean of its divisors is an integer number (5070924).

Almost surely, 2^40191126 is an apocalyptic number.

40191126 is an abundant number, since it is smaller than the sum of its proper divisors (40943658).

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

40191126 is a wasteful number, since it uses less digits than its factorization.

40191126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62715.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 40191126 is about 6339.6471510645. The cubic root of 40191126 is about 342.5390255139.

The spelling of 40191126 in words is "forty million, one hundred ninety-one thousand, one hundred twenty-six".