40435423015 has 32 divisors (see below), whose sum is σ = 55506076416. Its totient is φ = 28013506560.

The previous prime is 40435422997. The next prime is 40435423031. The reversal of 40435423015 is 51032453404.

40435423015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40435423015 - 2¹⁹ = 40434898727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 287410 + ... + 404320.

It is an arithmetic number, because the mean of its divisors is an integer number (1734564888).

Almost surely, 2^40435423015 is an apocalyptic number.

40435423015 is a deficient number, since it is larger than the sum of its proper divisors (15070653401).

40435423015 is a wasteful number, since it uses less digits than its factorization.

40435423015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117259.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 40435423015 its reverse (51032453404), we get a palindrome (91467876419).

The spelling of 40435423015 in words is "forty billion, four hundred thirty-five million, four hundred twenty-three thousand, fifteen".