40421295 has 16 divisors (see below), whose sum is σ = 71860320. Its totient is φ = 21557952.

The previous prime is 40421287. The next prime is 40421299. The reversal of 40421295 is 59212404.

It is not a de Polignac number, because 40421295 - 2³ = 40421287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40421299) 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, 149574 + ... + 149843.

It is an arithmetic number, because the mean of its divisors is an integer number (4491270).

Almost surely, 2^40421295 is an apocalyptic number.

40421295 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40421295 is a deficient number, since it is larger than the sum of its proper divisors (31439025).

40421295 is a wasteful number, since it uses less digits than its factorization.

40421295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299431 (or 299425 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 40421295 is about 6357.7743747321. The cubic root of 40421295 is about 343.1916723736.

Adding to 40421295 its reverse (59212404), we get a palindrome (99633699).

The spelling of 40421295 in words is "forty million, four hundred twenty-one thousand, two hundred ninety-five".