40021343035 has 4 divisors (see below), whose sum is σ = 48025611648. Its totient is φ = 32017074424.

The previous prime is 40021343029. The next prime is 40021343069. The reversal of 40021343035 is 53034312004.

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

It is a cyclic number.

It is not a de Polignac number, because 40021343035 - 2¹⁵ = 40021310267 is a prime.

It is a super-2 number, since 2×40021343035² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4002134299 + ... + 4002134308.

It is an arithmetic number, because the mean of its divisors is an integer number (12006402912).

Almost surely, 2^40021343035 is an apocalyptic number.

40021343035 is a deficient number, since it is larger than the sum of its proper divisors (8004268613).

40021343035 is an equidigital number, since it uses as much as digits as its factorization.

40021343035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8004268612.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 40021343035 its reverse (53034312004), we get a palindrome (93055655039).

The spelling of 40021343035 in words is "forty billion, twenty-one million, three hundred forty-three thousand, thirty-five".