40021133402131 has 32 divisors (see below), whose sum is σ = 46024476180480. Its totient is φ = 34090021380096.

The previous prime is 40021133402077. The next prime is 40021133402149. The reversal of 40021133402131 is 13120433112004.

It is a cyclic number.

It is not a de Polignac number, because 40021133402131 - 2¹⁵ = 40021133369363 is a prime.

It is a super-2 number, since 2×40021133402131² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40021133402096 and 40021133402105.

It is not an unprimeable number, because it can be changed into a prime (40021133402191) 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 31 ways as a sum of consecutive naturals, for example, 1406852350 + ... + 1406880796.

It is an arithmetic number, because the mean of its divisors is an integer number (1438264880640).

Almost surely, 2^{40021133402131} is an apocalyptic number.

40021133402131 is a deficient number, since it is larger than the sum of its proper divisors (6003342778349).

40021133402131 is a wasteful number, since it uses less digits than its factorization.

40021133402131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30523.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 40021133402131 its reverse (13120433112004), we get a palindrome (53141566514135).

The spelling of 40021133402131 in words is "forty trillion, twenty-one billion, one hundred thirty-three million, four hundred two thousand, one hundred thirty-one".