40436383504 has 80 divisors (see below), whose sum is σ = 86840156160. Its totient is φ = 18085668480.

The previous prime is 40436383489. The next prime is 40436383517. The reversal of 40436383504 is 40538363404.

It is a super-2 number, since 2×40436383504² (a number of 22 digits) contains 22 as substring.

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, 16967497 + ... + 16969879.

It is an arithmetic number, because the mean of its divisors is an integer number (1085501952).

Almost surely, 2^40436383504 is an apocalyptic number.

40436383504 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40436383504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43420078080).

40436383504 is an abundant number, since it is smaller than the sum of its proper divisors (46403772656).

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

40436383504 is a wasteful number, since it uses less digits than its factorization.

40436383504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3908 (or 3902 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 40436383504 in words is "forty billion, four hundred thirty-six million, three hundred eighty-three thousand, five hundred four".