40026373609 has 4 divisors (see below), whose sum is σ = 40027494016. Its totient is φ = 40025253204.

The previous prime is 40026373601. The next prime is 40026373627. The reversal of 40026373609 is 90637362004.

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 40026373609 - 2³ = 40026373601 is a prime.

It is a super-2 number, since 2×40026373609² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40026373601) 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, 504789 + ... + 578674.

It is an arithmetic number, because the mean of its divisors is an integer number (10006873504).

Almost surely, 2^40026373609 is an apocalyptic number.

It is an amenable number.

40026373609 is a deficient number, since it is larger than the sum of its proper divisors (1120407).

40026373609 is a wasteful number, since it uses less digits than its factorization.

40026373609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120406.

The product of its (nonzero) digits is 163296, while the sum is 40.

The spelling of 40026373609 in words is "forty billion, twenty-six million, three hundred seventy-three thousand, six hundred nine".