40045126684 has 24 divisors (see below), whose sum is σ = 72920409408. Its totient is φ = 19226800320.

The previous prime is 40045126651. The next prime is 40045126727. The reversal of 40045126684 is 48662154004.

It is a super-2 number, since 2×40045126684² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1999527 + ... + 2019454.

It is an arithmetic number, because the mean of its divisors is an integer number (3038350392).

Almost surely, 2^40045126684 is an apocalyptic number.

It is an amenable number.

40045126684 is a deficient number, since it is larger than the sum of its proper divisors (32875282724).

40045126684 is a wasteful number, since it uses less digits than its factorization.

40045126684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4019085 (or 4019083 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 40045126684 in words is "forty billion, forty-five million, one hundred twenty-six thousand, six hundred eighty-four".