40100133240 has 64 divisors (see below), whose sum is σ = 133667114400. Its totient is φ = 10693368576.

The previous prime is 40100133221. The next prime is 40100133247. The reversal of 40100133240 is 4233100104.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40100133247) 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 15 ways as a sum of consecutive naturals, for example, 18563797 + ... + 18565956.

Almost surely, 2^40100133240 is an apocalyptic number.

40100133240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40100133240 is an abundant number, since it is smaller than the sum of its proper divisors (93566981160).

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

40100133240 is a wasteful number, since it uses less digits than its factorization.

40100133240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37129773 (or 37129763 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 40100133240 its reverse (4233100104), we get a palindrome (44333233344).

The spelling of 40100133240 in words is "forty billion, one hundred million, one hundred thirty-three thousand, two hundred forty".