40302201421 has 4 divisors (see below), whose sum is σ = 42054471072. Its totient is φ = 38549931772.

The previous prime is 40302201391. The next prime is 40302201437. The reversal of 40302201421 is 12410220304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40302201421 - 2⁵ = 40302201389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40302201721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 876134791 + ... + 876134836.

It is an arithmetic number, because the mean of its divisors is an integer number (10513617768).

Almost surely, 2^40302201421 is an apocalyptic number.

It is an amenable number.

40302201421 is a deficient number, since it is larger than the sum of its proper divisors (1752269651).

40302201421 is a wasteful number, since it uses less digits than its factorization.

40302201421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752269650.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 40302201421 its reverse (12410220304), we get a palindrome (52712421725).

The spelling of 40302201421 in words is "forty billion, three hundred two million, two hundred one thousand, four hundred twenty-one".