40063421235 has 16 divisors (see below), whose sum is σ = 64104961536. Its totient is φ = 21365995488.

The previous prime is 40063421231. The next prime is 40063421287. The reversal of 40063421235 is 53212436004.

It is not a de Polignac number, because 40063421235 - 2² = 40063421231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40063421231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261942 + ... + 385668.

It is an arithmetic number, because the mean of its divisors is an integer number (4006560096).

Almost surely, 2^40063421235 is an apocalyptic number.

40063421235 is a deficient number, since it is larger than the sum of its proper divisors (24041540301).

40063421235 is a wasteful number, since it uses less digits than its factorization.

40063421235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145322.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 40063421235 its reverse (53212436004), we get a palindrome (93275857239).

The spelling of 40063421235 in words is "forty billion, sixty-three million, four hundred twenty-one thousand, two hundred thirty-five".