40505031270 has 96 divisors (see below), whose sum is σ = 114923206944. Its totient is φ = 9816307200.

The previous prime is 40505031263. The next prime is 40505031271. The reversal of 40505031270 is 7213050504.

It is a happy number.

40505031270 is a `hidden beast` number, since 40 + 50 + 503 + 1 + 2 + 70 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40505031271) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 5580964 + ... + 5588216.

It is an arithmetic number, because the mean of its divisors is an integer number (1197116739).

Almost surely, 2^40505031270 is an apocalyptic number.

40505031270 is an abundant number, since it is smaller than the sum of its proper divisors (74418175674).

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

40505031270 is a wasteful number, since it uses less digits than its factorization.

40505031270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12918 (or 12915 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

Adding to 40505031270 its reverse (7213050504), we get a palindrome (47718081774).

The spelling of 40505031270 in words is "forty billion, five hundred five million, thirty-one thousand, two hundred seventy".