40430252105 has 8 divisors (see below), whose sum is σ = 48522402312. Its totient is φ = 32340135168.

The previous prime is 40430252099. The next prime is 40430252119. The reversal of 40430252105 is 50125203404.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 804970384 + 39625281721 = 28372^2 + 199061^2 .

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 40430252105 - 2⁴ = 40430252089 is a prime.

It is a Duffinian number.

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, 464222 + ... + 544391.

It is an arithmetic number, because the mean of its divisors is an integer number (6065300289).

Almost surely, 2^40430252105 is an apocalyptic number.

It is an amenable number.

40430252105 is a deficient number, since it is larger than the sum of its proper divisors (8092150207).

40430252105 is a wasteful number, since it uses less digits than its factorization.

40430252105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016635.

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

Adding to 40430252105 its reverse (50125203404), we get a palindrome (90555455509).

The spelling of 40430252105 in words is "forty billion, four hundred thirty million, two hundred fifty-two thousand, one hundred five".