40234021505 has 8 divisors (see below), whose sum is σ = 48286631400. Its totient is φ = 32183346816.

The previous prime is 40234021481. The next prime is 40234021511. The reversal of 40234021505 is 50512043204.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3440643649 + 36793377856 = 58657^2 + 191816^2 .

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 40234021505 - 2¹⁸ = 40233759361 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437660 + ... + 521549.

It is an arithmetic number, because the mean of its divisors is an integer number (6035828925).

Almost surely, 2^40234021505 is an apocalyptic number.

It is an amenable number.

40234021505 is a deficient number, since it is larger than the sum of its proper divisors (8052609895).

40234021505 is an equidigital number, since it uses as much as digits as its factorization.

40234021505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967603.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 40234021505 its reverse (50512043204), we get a palindrome (90746064709).

The spelling of 40234021505 in words is "forty billion, two hundred thirty-four million, twenty-one thousand, five hundred five".