40434021422 has 4 divisors (see below), whose sum is σ = 60651032136. Its totient is φ = 20217010710.

The previous prime is 40434021409. The next prime is 40434021427. The reversal of 40434021422 is 22412043404.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 40434021391 and 40434021400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40434021427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10108505354 + ... + 10108505357.

It is an arithmetic number, because the mean of its divisors is an integer number (15162758034).

Almost surely, 2^40434021422 is an apocalyptic number.

40434021422 is a deficient number, since it is larger than the sum of its proper divisors (20217010714).

40434021422 is a wasteful number, since it uses less digits than its factorization.

40434021422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20217010713.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 40434021422 its reverse (22412043404), we get a palindrome (62846064826).

The spelling of 40434021422 in words is "forty billion, four hundred thirty-four million, twenty-one thousand, four hundred twenty-two".