40940140400 has 30 divisors (see below), whose sum is σ = 98358688272. Its totient is φ = 16376056000.

The previous prime is 40940140361. The next prime is 40940140403. The reversal of 40940140400 is 404104904.

It is a self number, because there is not a number n which added to its sum of digits gives 40940140400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40940140403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51174776 + ... + 51175575.

Almost surely, 2^40940140400 is an apocalyptic number.

40940140400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40940140400 is an abundant number, since it is smaller than the sum of its proper divisors (57418547872).

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

40940140400 is a wasteful number, since it uses less digits than its factorization.

40940140400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102350369 (or 102350358 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 40940140400 in words is "forty billion, nine hundred forty million, one hundred forty thousand, four hundred".