40503353884 has 12 divisors (see below), whose sum is σ = 81006707824. Its totient is φ = 17358580224.

The previous prime is 40503353881. The next prime is 40503353897. The reversal of 40503353884 is 48835330504.

40503353884 is an admirable number.

It is a super-3 number, since 3×40503353884³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40503353884.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40503353881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723274149 + ... + 723274204.

Almost surely, 2^40503353884 is an apocalyptic number.

It is an amenable number.

40503353884 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40503353884 is a wasteful number, since it uses less digits than its factorization.

40503353884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446548364 (or 1446548362 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 40503353884 in words is "forty billion, five hundred three million, three hundred fifty-three thousand, eight hundred eighty-four".