40432430401 has 4 divisors (see below), whose sum is σ = 44108105904. Its totient is φ = 36756754900.

The previous prime is 40432430387. The next prime is 40432430413. The reversal of 40432430401 is 10403423404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40432430401 - 2¹⁵ = 40432397633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40432434401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1837837735 + ... + 1837837756.

It is an arithmetic number, because the mean of its divisors is an integer number (11027026476).

Almost surely, 2^40432430401 is an apocalyptic number.

It is an amenable number.

40432430401 is a deficient number, since it is larger than the sum of its proper divisors (3675675503).

40432430401 is a wasteful number, since it uses less digits than its factorization.

40432430401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675675502.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 40432430401 its reverse (10403423404), we get a palindrome (50835853805).

The spelling of 40432430401 in words is "forty billion, four hundred thirty-two million, four hundred thirty thousand, four hundred one".