40439036435 has 8 divisors (see below), whose sum is σ = 55459250016. Its totient is φ = 27729624960.

The previous prime is 40439036431. The next prime is 40439036461. The reversal of 40439036435 is 53463093404.

40439036435 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40439036435 - 2² = 40439036431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40439036392 and 40439036401.

It is not an unprimeable number, because it can be changed into a prime (40439036431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577700486 + ... + 577700555.

It is an arithmetic number, because the mean of its divisors is an integer number (6932406252).

Almost surely, 2^40439036435 is an apocalyptic number.

40439036435 is a deficient number, since it is larger than the sum of its proper divisors (15020213581).

40439036435 is a wasteful number, since it uses less digits than its factorization.

40439036435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155401053.

The product of its (nonzero) digits is 466560, while the sum is 41.

The spelling of 40439036435 in words is "forty billion, four hundred thirty-nine million, thirty-six thousand, four hundred thirty-five".