40050621061 has 4 divisors (see below), whose sum is σ = 43691586624. Its totient is φ = 36409655500.

The previous prime is 40050621059. The next prime is 40050621109. The reversal of 40050621061 is 16012605004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40050621061 - 2¹ = 40050621059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40050621041) 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 3 ways as a sum of consecutive naturals, for example, 1820482765 + ... + 1820482786.

It is an arithmetic number, because the mean of its divisors is an integer number (10922896656).

Almost surely, 2^40050621061 is an apocalyptic number.

It is an amenable number.

40050621061 is a deficient number, since it is larger than the sum of its proper divisors (3640965563).

40050621061 is a wasteful number, since it uses less digits than its factorization.

40050621061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3640965562.

The product of its (nonzero) digits is 1440, while the sum is 25.

The spelling of 40050621061 in words is "forty billion, fifty million, six hundred twenty-one thousand, sixty-one".