40201245 has 64 divisors (see below), whose sum is σ = 86016000. Its totient is φ = 17402688.

The previous prime is 40201241. The next prime is 40201247. The reversal of 40201245 is 54210204.

40201245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40201245 - 2² = 40201241 is a prime.

It is a super-2 number, since 2×40201245² = 3232280199100050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40201241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16836 + ... + 19074.

It is an arithmetic number, because the mean of its divisors is an integer number (1344000).

Almost surely, 2^40201245 is an apocalyptic number.

40201245 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40201245 is an abundant number, since it is smaller than the sum of its proper divisors (45814755).

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

40201245 is a wasteful number, since it uses less digits than its factorization.

40201245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279 (or 2273 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 40201245 is about 6340.4451736451. The cubic root of 40201245 is about 342.5677703463.

Adding to 40201245 its reverse (54210204), we get a palindrome (94411449).

The spelling of 40201245 in words is "forty million, two hundred one thousand, two hundred forty-five".