40552190 has 32 divisors (see below), whose sum is σ = 84798144. Its totient is φ = 13674240.

The previous prime is 40552189. The next prime is 40552199. The reversal of 40552190 is 9125504.

It is a super-2 number, since 2×40552190² = 3288960227592200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40552199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479 + ... + 9018.

It is an arithmetic number, because the mean of its divisors is an integer number (2649942).

Almost surely, 2^40552190 is an apocalyptic number.

40552190 is an abundant number, since it is smaller than the sum of its proper divisors (44245954).

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

40552190 is a wasteful number, since it uses less digits than its factorization.

40552190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9572.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 40552190 is about 6368.0601441883. The cubic root of 40552190 is about 343.5617221299.

Adding to 40552190 its reverse (9125504), we get a palindrome (49677694).

The spelling of 40552190 in words is "forty million, five hundred fifty-two thousand, one hundred ninety".