40105126550 has 48 divisors (see below), whose sum is σ = 75270485952. Its totient is φ = 15897312000.

The previous prime is 40105126483. The next prime is 40105126559. The reversal of 40105126550 is 5562150104.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40105126559) 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 23 ways as a sum of consecutive naturals, for example, 4194275 + ... + 4203825.

It is an arithmetic number, because the mean of its divisors is an integer number (1568135124).

Almost surely, 2^40105126550 is an apocalyptic number.

40105126550 is a deficient number, since it is larger than the sum of its proper divisors (35165359402).

40105126550 is a wasteful number, since it uses less digits than its factorization.

40105126550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10313 (or 10308 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 40105126550 its reverse (5562150104), we get a palindrome (45667276654).

The spelling of 40105126550 in words is "forty billion, one hundred five million, one hundred twenty-six thousand, five hundred fifty".