40150550 has 48 divisors (see below), whose sum is σ = 83713392. Its totient is φ = 14198400.

The previous prime is 40150541. The next prime is 40150559. The reversal of 40150550 is 5505104.

It is an interprime number because it is at equal distance from previous prime (40150541) and next prime (40150559).

It is a super-2 number, since 2×40150550² = 3224133330605000, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40150559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19364 + ... + 21336.

It is an arithmetic number, because the mean of its divisors is an integer number (1744029).

Almost surely, 2^40150550 is an apocalyptic number.

40150550 is an abundant number, since it is smaller than the sum of its proper divisors (43562842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40150550 is a wasteful number, since it uses less digits than its factorization.

40150550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033 (or 2028 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 40150550 is about 6336.4461648467. The cubic root of 40150550 is about 342.4237136293.

Adding to 40150550 its reverse (5505104), we get a palindrome (45655654).

The spelling of 40150550 in words is "forty million, one hundred fifty thousand, five hundred fifty".