40340303421 has 8 divisors (see below), whose sum is σ = 58676805024. Its totient is φ = 24448668720.

The previous prime is 40340303363. The next prime is 40340303431. The reversal of 40340303421 is 12430304304.

40340303421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40340303421 - 2¹⁰ = 40340302397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40340303391 and 40340303400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40340303431) 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, 611216686 + ... + 611216751.

It is an arithmetic number, because the mean of its divisors is an integer number (7334600628).

Almost surely, 2^40340303421 is an apocalyptic number.

It is an amenable number.

40340303421 is a deficient number, since it is larger than the sum of its proper divisors (18336501603).

40340303421 is a wasteful number, since it uses less digits than its factorization.

40340303421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222433451.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 40340303421 its reverse (12430304304), we get a palindrome (52770607725).

The spelling of 40340303421 in words is "forty billion, three hundred forty million, three hundred three thousand, four hundred twenty-one".