40455352031 has 4 divisors (see below), whose sum is σ = 41850364200. Its totient is φ = 39060339864.

The previous prime is 40455351983. The next prime is 40455352057. The reversal of 40455352031 is 13025355404.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40455352031 is a prime.

It is a super-2 number, since 2×40455352031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40455352331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697506041 + ... + 697506098.

It is an arithmetic number, because the mean of its divisors is an integer number (10462591050).

Almost surely, 2^40455352031 is an apocalyptic number.

40455352031 is a deficient number, since it is larger than the sum of its proper divisors (1395012169).

40455352031 is a wasteful number, since it uses less digits than its factorization.

40455352031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395012168.

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 40455352031 in words is "forty billion, four hundred fifty-five million, three hundred fifty-two thousand, thirty-one".