40128336248 has 64 divisors (see below), whose sum is σ = 101022405120. Its totient is φ = 14431766400.

The previous prime is 40128336181. The next prime is 40128336271. The reversal of 40128336248 is 84263382104.

It is a super-2 number, since 2×40128336248² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2497508 + ... + 2513523.

It is an arithmetic number, because the mean of its divisors is an integer number (1578475080).

Almost surely, 2^40128336248 is an apocalyptic number.

It is an amenable number.

40128336248 is an abundant number, since it is smaller than the sum of its proper divisors (60894068872).

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

40128336248 is a wasteful number, since it uses less digits than its factorization.

40128336248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5011068 (or 5011064 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 41.

The spelling of 40128336248 in words is "forty billion, one hundred twenty-eight million, three hundred thirty-six thousand, two hundred forty-eight".