40133523642 has 16 divisors (see below), whose sum is σ = 84491628960. Its totient is φ = 12673744272.

The previous prime is 40133523641. The next prime is 40133523679. The reversal of 40133523642 is 24632533104.

It is a happy number.

It is a super-2 number, since 2×40133523642² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40133523641) 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 7 ways as a sum of consecutive naturals, for example, 176024113 + ... + 176024340.

It is an arithmetic number, because the mean of its divisors is an integer number (5280726810).

Almost surely, 2^40133523642 is an apocalyptic number.

40133523642 is an abundant number, since it is smaller than the sum of its proper divisors (44358105318).

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

40133523642 is a wasteful number, since it uses less digits than its factorization.

40133523642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352048477.

The product of its (nonzero) digits is 51840, while the sum is 33.

The spelling of 40133523642 in words is "forty billion, one hundred thirty-three million, five hundred twenty-three thousand, six hundred forty-two".