40387271484 has 48 divisors (see below), whose sum is σ = 114034652928. Its totient is φ = 10860442368.

The previous prime is 40387271461. The next prime is 40387271497. The reversal of 40387271484 is 48417278304.

It is a super-2 number, since 2×40387271484² (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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14139774 + ... + 14142629.

It is an arithmetic number, because the mean of its divisors is an integer number (2375721936).

Almost surely, 2^40387271484 is an apocalyptic number.

It is an amenable number.

40387271484 is an abundant number, since it is smaller than the sum of its proper divisors (73647381444).

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

40387271484 is a wasteful number, since it uses less digits than its factorization.

40387271484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28282434 (or 28282432 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 48.

The spelling of 40387271484 in words is "forty billion, three hundred eighty-seven million, two hundred seventy-one thousand, four hundred eighty-four".