40421326 has 24 divisors (see below), whose sum is σ = 67858632. Its totient is φ = 17908800.

The previous prime is 40421323. The next prime is 40421347. The reversal of 40421326 is 62312404.

It is a happy number.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 40421297 and 40421306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40421323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36436 + ... + 37528.

It is an arithmetic number, because the mean of its divisors is an integer number (2827443).

Almost surely, 2^40421326 is an apocalyptic number.

40421326 is a deficient number, since it is larger than the sum of its proper divisors (27437306).

40421326 is a wasteful number, since it uses less digits than its factorization.

40421326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188 (or 1147 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 40421326 is about 6357.7768126917. The cubic root of 40421326 is about 343.1917601074.

The spelling of 40421326 in words is "forty million, four hundred twenty-one thousand, three hundred twenty-six".