40155201043 has 4 divisors (see below), whose sum is σ = 40155605280. Its totient is φ = 40154796808.

The previous prime is 40155201041. The next prime is 40155201083. The reversal of 40155201043 is 34010255104.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40155201043 - 2¹ = 40155201041 is a prime.

It is a super-2 number, since 2×40155201043² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40155200999 and 40155201017.

It is not an unprimeable number, because it can be changed into a prime (40155201041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61473 + ... + 289981.

It is an arithmetic number, because the mean of its divisors is an integer number (10038901320).

Almost surely, 2^40155201043 is an apocalyptic number.

40155201043 is a deficient number, since it is larger than the sum of its proper divisors (404237).

40155201043 is a wasteful number, since it uses less digits than its factorization.

40155201043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404236.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 40155201043 its reverse (34010255104), we get a palindrome (74165456147).

The spelling of 40155201043 in words is "forty billion, one hundred fifty-five million, two hundred one thousand, forty-three".