40113211021 has 8 divisors (see below), whose sum is σ = 43201982880. Its totient is φ = 37024887792.

The previous prime is 40113211009. The next prime is 40113211031. The reversal of 40113211021 is 12011231104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40113211021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40113210986 and 40113211004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40113211031) 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 7 ways as a sum of consecutive naturals, for example, 86610 + ... + 296188.

It is an arithmetic number, because the mean of its divisors is an integer number (5400247860).

Almost surely, 2^40113211021 is an apocalyptic number.

It is an amenable number.

40113211021 is a deficient number, since it is larger than the sum of its proper divisors (3088771859).

40113211021 is a wasteful number, since it uses less digits than its factorization.

40113211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224315.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 40113211021 its reverse (12011231104), we get a palindrome (52124442125).

The spelling of 40113211021 in words is "forty billion, one hundred thirteen million, two hundred eleven thousand, twenty-one".