40507350 has 48 divisors (see below), whose sum is σ = 108190992. Its totient is φ = 9970560.

The previous prime is 40507339. The next prime is 40507351. The reversal of 40507350 is 5370504.

It is a self number, because there is not a number n which added to its sum of digits gives 40507350.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40507351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8437 + ... + 12336.

It is an arithmetic number, because the mean of its divisors is an integer number (2253979).

Almost surely, 2^40507350 is an apocalyptic number.

40507350 is an abundant number, since it is smaller than the sum of its proper divisors (67683642).

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

40507350 is a wasteful number, since it uses less digits than its factorization.

40507350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20801 (or 20796 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 40507350 is about 6364.5384750192. The cubic root of 40507350 is about 343.4350459531.

Adding to 40507350 its reverse (5370504), we get a palindrome (45877854).

The spelling of 40507350 in words is "forty million, five hundred seven thousand, three hundred fifty".