40350140 has 24 divisors (see below), whose sum is σ = 85046640. Its totient is φ = 16080768.

The previous prime is 40350137. The next prime is 40350169. The reversal of 40350140 is 4105304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2096 + ... + 9224.

It is an arithmetic number, because the mean of its divisors is an integer number (3543610).

Almost surely, 2^40350140 is an apocalyptic number.

It is an amenable number.

40350140 is an abundant number, since it is smaller than the sum of its proper divisors (44696500).

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

40350140 is a wasteful number, since it uses less digits than its factorization.

40350140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7421 (or 7419 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 40350140 is about 6352.1760051182. The cubic root of 40350140 is about 342.9901767141.

Adding to 40350140 its reverse (4105304), we get a palindrome (44455444).

The spelling of 40350140 in words is "forty million, three hundred fifty thousand, one hundred forty".