40840621126 has 8 divisors (see below), whose sum is σ = 64864515960. Its totient is φ = 19219115808.

The previous prime is 40840621123. The next prime is 40840621147. The reversal of 40840621126 is 62112604804.

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 1201194739 = 40840621126 / (4 + 0 + 8 + 4 + 0 + 6 + 2 + 1 + 1 + 2 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 40840621091 and 40840621100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40840621123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600597336 + ... + 600597403.

It is an arithmetic number, because the mean of its divisors is an integer number (8108064495).

Almost surely, 2^40840621126 is an apocalyptic number.

40840621126 is a deficient number, since it is larger than the sum of its proper divisors (24023894834).

40840621126 is a wasteful number, since it uses less digits than its factorization.

40840621126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201194758.

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 40840621126 in words is "forty billion, eight hundred forty million, six hundred twenty-one thousand, one hundred twenty-six".