40152055 has 4 divisors (see below), whose sum is σ = 48182472. Its totient is φ = 32121640.

The previous prime is 40152041. The next prime is 40152059. The reversal of 40152055 is 55025104.

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

It is not a de Polignac number, because 40152055 - 2⁷ = 40151927 is a prime.

It is a super-2 number, since 2×40152055² = 3224375041446050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40152059) 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, 4015201 + ... + 4015210.

It is an arithmetic number, because the mean of its divisors is an integer number (12045618).

Almost surely, 2^40152055 is an apocalyptic number.

40152055 is a deficient number, since it is larger than the sum of its proper divisors (8030417).

40152055 is an equidigital number, since it uses as much as digits as its factorization.

40152055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8030416.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 40152055 is about 6336.5649211540. The cubic root of 40152055 is about 342.4279920369.

Adding to 40152055 its reverse (55025104), we get a palindrome (95177159).

The spelling of 40152055 in words is "forty million, one hundred fifty-two thousand, fifty-five".