40152043 has 4 divisors (see below), whose sum is σ = 41897808. Its totient is φ = 38406280.

The previous prime is 40152041. The next prime is 40152059. The reversal of 40152043 is 34025104.

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 40152043 - 2¹ = 40152041 is a prime.

It is a super-2 number, since 2×40152043² = 3224373114147698, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40152043.

It is not an unprimeable number, because it can be changed into a prime (40152041) 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, 872848 + ... + 872893.

It is an arithmetic number, because the mean of its divisors is an integer number (10474452).

Almost surely, 2^40152043 is an apocalyptic number.

40152043 is a deficient number, since it is larger than the sum of its proper divisors (1745765).

40152043 is a wasteful number, since it uses less digits than its factorization.

40152043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745764.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 40152043 is about 6336.5639742687. The cubic root of 40152043 is about 342.4279579238.

Adding to 40152043 its reverse (34025104), we get a palindrome (74177147).

The spelling of 40152043 in words is "forty million, one hundred fifty-two thousand, forty-three".