40213423133442 has 48 divisors (see below), whose sum is σ = 97910943294528. Its totient is φ = 11835388746720.

The previous prime is 40213423133437. The next prime is 40213423133501. The reversal of 40213423133442 is 24433132431204.

40213423133442 is a `hidden beast` number, since 4 + 0 + 21 + 34 + 231 + 334 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 40213423133397 and 40213423133406.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3735912784 + ... + 3735923547.

It is an arithmetic number, because the mean of its divisors is an integer number (2039811318636).

Almost surely, 2^{40213423133442} is an apocalyptic number.

40213423133442 is an abundant number, since it is smaller than the sum of its proper divisors (57697520161086).

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

40213423133442 is a wasteful number, since it uses less digits than its factorization.

40213423133442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7471836375 (or 7471836372 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 40213423133442 its reverse (24433132431204), we get a palindrome (64646555564646).

The spelling of 40213423133442 in words is "forty trillion, two hundred thirteen billion, four hundred twenty-three million, one hundred thirty-three thousand, four hundred forty-two".