40053165408 has 72 divisors (see below), whose sum is σ = 116979630768. Its totient is φ = 12990212352.

The previous prime is 40053165389. The next prime is 40053165419. The reversal of 40053165408 is 80456135004.

It is a happy number.

40053165408 is a `hidden beast` number, since 40 + 0 + 53 + 165 + 408 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 1868716 + ... + 1890027.

It is an arithmetic number, because the mean of its divisors is an integer number (1624717094).

Almost surely, 2^40053165408 is an apocalyptic number.

40053165408 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40053165408 is an abundant number, since it is smaller than the sum of its proper divisors (76926465360).

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

40053165408 is a wasteful number, since it uses less digits than its factorization.

40053165408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3758796 (or 3758785 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 40053165408 in words is "forty billion, fifty-three million, one hundred sixty-five thousand, four hundred eight".