40505311034240 has 64 divisors (see below), whose sum is σ = 104281702227360. Its totient is φ = 14955807148032.

The previous prime is 40505311034239. The next prime is 40505311034249. The reversal of 40505311034240 is 4243011350504.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 40505311034197 and 40505311034206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40505311034249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2434205084 + ... + 2434221723.

Almost surely, 2^{40505311034240} is an apocalyptic number.

40505311034240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40505311034240 is an abundant number, since it is smaller than the sum of its proper divisors (63776391193120).

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

40505311034240 is a wasteful number, since it uses less digits than its factorization.

40505311034240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4868426839 (or 4868426827 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 40505311034240 its reverse (4243011350504), we get a palindrome (44748322384744).

The spelling of 40505311034240 in words is "forty trillion, five hundred five billion, three hundred eleven million, thirty-four thousand, two hundred forty".