40145350 has 48 divisors (see below), whose sum is σ = 89065728. Its totient is φ = 13163040.

The previous prime is 40145321. The next prime is 40145353. The reversal of 40145350 is 5354104.

It is a super-2 number, since 2×40145350² = 3223298253245000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40145353) 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, 5557 + ... + 10543.

It is an arithmetic number, because the mean of its divisors is an integer number (1855536).

Almost surely, 2^40145350 is an apocalyptic number.

40145350 is an abundant number, since it is smaller than the sum of its proper divisors (48920378).

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

40145350 is a wasteful number, since it uses less digits than its factorization.

40145350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5029 (or 5024 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 40145350 is about 6336.0358269189. The cubic root of 40145350 is about 342.4089302687.

Adding to 40145350 its reverse (5354104), we get a palindrome (45499454).

The spelling of 40145350 in words is "forty million, one hundred forty-five thousand, three hundred fifty".