40026735706640 has 40 divisors (see below), whose sum is σ = 93062728187520. Its totient is φ = 16010596619136.

The previous prime is 40026735706609. The next prime is 40026735706679. The reversal of 40026735706640 is 4660753762004.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12468047 + ... + 15346193.

It is an arithmetic number, because the mean of its divisors is an integer number (2326568204688).

Almost surely, 2^{40026735706640} is an apocalyptic number.

40026735706640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40026735706640 is an abundant number, since it is smaller than the sum of its proper divisors (53035992480880).

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

40026735706640 is a wasteful number, since it uses less digits than its factorization.

40026735706640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3051999 (or 3051993 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 50.

The spelling of 40026735706640 in words is "forty trillion, twenty-six billion, seven hundred thirty-five million, seven hundred six thousand, six hundred forty".