39926790451 has 8 divisors (see below), whose sum is σ = 40125050784. Its totient is φ = 39729002880.

The previous prime is 39926790401. The next prime is 39926790467. The reversal of 39926790451 is 15409762993.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 39926790451 - 2²¹ = 39924693299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39926790392 and 39926790401.

It is not an unprimeable number, because it can be changed into a prime (39926790401) 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 7 ways as a sum of consecutive naturals, for example, 51741 + ... + 287281.

It is an arithmetic number, because the mean of its divisors is an integer number (5015631348).

Almost surely, 2^39926790451 is an apocalyptic number.

39926790451 is a deficient number, since it is larger than the sum of its proper divisors (198260333).

39926790451 is a wasteful number, since it uses less digits than its factorization.

39926790451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236381.

The product of its (nonzero) digits is 3674160, while the sum is 55.

The spelling of 39926790451 in words is "thirty-nine billion, nine hundred twenty-six million, seven hundred ninety thousand, four hundred fifty-one".