40500501440 has 56 divisors (see below), whose sum is σ = 110219227872. Its totient is φ = 13885885440.

The previous prime is 40500501407. The next prime is 40500501527. The reversal of 40500501440 is 4410500504.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9038051 + ... + 9042530.

Almost surely, 2^40500501440 is an apocalyptic number.

40500501440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40500501440 is an abundant number, since it is smaller than the sum of its proper divisors (69718726432).

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

40500501440 is a wasteful number, since it uses less digits than its factorization.

40500501440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18080605 (or 18080595 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The spelling of 40500501440 in words is "forty billion, five hundred million, five hundred one thousand, four hundred forty".