40232434402 has 4 divisors (see below), whose sum is σ = 60348651606. Its totient is φ = 20116217200.

The previous prime is 40232434381. The next prime is 40232434409. The reversal of 40232434402 is 20443423204.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 40156552881 + 75881521 = 200391^2 + 8711^2 .

It is a super-2 number, since 2×40232434402² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40232434409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10058108599 + ... + 10058108602.

Almost surely, 2^40232434402 is an apocalyptic number.

40232434402 is a deficient number, since it is larger than the sum of its proper divisors (20116217204).

40232434402 is a wasteful number, since it uses less digits than its factorization.

40232434402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20116217203.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 40232434402 its reverse (20443423204), we get a palindrome (60675857606).

The spelling of 40232434402 in words is "forty billion, two hundred thirty-two million, four hundred thirty-four thousand, four hundred two".