40153550 has 24 divisors (see below), whose sum is σ = 74938656. Its totient is φ = 16007040.

The previous prime is 40153549. The next prime is 40153591. The reversal of 40153550 is 5535104.

40153550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40153550² = 3224615155205000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15659 + ... + 18041.

It is an arithmetic number, because the mean of its divisors is an integer number (3122444).

Almost surely, 2^40153550 is an apocalyptic number.

40153550 is a deficient number, since it is larger than the sum of its proper divisors (34785106).

40153550 is a wasteful number, since it uses less digits than its factorization.

40153550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2732 (or 2727 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 40153550 is about 6336.6828861795. The cubic root of 40153550 is about 342.4322419107.

Adding to 40153550 its reverse (5535104), we get a palindrome (45688654).

The spelling of 40153550 in words is "forty million, one hundred fifty-three thousand, five hundred fifty".