40421148117640 has 16 divisors (see below), whose sum is σ = 90947583264780. Its totient is φ = 16168459247040.

The previous prime is 40421148117631. The next prime is 40421148117653. The reversal of 40421148117640 is 4671184112404.

It can be written as a sum of positive squares in 2 ways, for example, as 36563137188516 + 3858010929124 = 6046746^2 + 1964182^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505264351431 + ... + 505264351510.

Almost surely, 2^{40421148117640} is an apocalyptic number.

40421148117640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40421148117640 is an abundant number, since it is smaller than the sum of its proper divisors (50526435147140).

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

40421148117640 is a wasteful number, since it uses less digits than its factorization.

40421148117640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010528702952 (or 1010528702948 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 43.

The spelling of 40421148117640 in words is "forty trillion, four hundred twenty-one billion, one hundred forty-eight million, one hundred seventeen thousand, six hundred forty".