40110421 has 8 divisors (see below), whose sum is σ = 43841504. Its totient is φ = 36471600.

The previous prime is 40110409. The next prime is 40110437. The reversal of 40110421 is 12401104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40110421 - 2¹⁷ = 39979349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40110401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22155 + ... + 23896.

It is an arithmetic number, because the mean of its divisors is an integer number (5480188).

Almost surely, 2^40110421 is an apocalyptic number.

It is an amenable number.

40110421 is a deficient number, since it is larger than the sum of its proper divisors (3731083).

40110421 is a wasteful number, since it uses less digits than its factorization.

40110421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46131.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 40110421 is about 6333.2788506428. The cubic root of 40110421 is about 342.3095956271.

Adding to 40110421 its reverse (12401104), we get a palindrome (52511525).

The spelling of 40110421 in words is "forty million, one hundred ten thousand, four hundred twenty-one".