40302303311421 has 12 divisors (see below), whose sum is σ = 60370528417472. Its totient is φ = 26868202207452.

The previous prime is 40302303311393. The next prime is 40302303311423. The reversal of 40302303311421 is 12411330320304.

It is a happy number.

40302303311421 is a `hidden beast` number, since 4 + 0 + 3 + 0 + 2 + 303 + 311 + 42 + 1 = 666.

It is not a de Polignac number, because 40302303311421 - 2²⁵ = 40302269756989 is a prime.

It is a super-2 number, since 2×40302303311421² (a number of 28 digits) contains 22 as substring.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40302303311423) 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, 82926549781 + ... + 82926550266.

Almost surely, 2^{40302303311421} is an apocalyptic number.

It is an amenable number.

40302303311421 is a deficient number, since it is larger than the sum of its proper divisors (20068225106051).

40302303311421 is an equidigital number, since it uses as much as digits as its factorization.

40302303311421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165853100062 (or 165853100050 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 40302303311421 its reverse (12411330320304), we get a palindrome (52713633631725).

The spelling of 40302303311421 in words is "forty trillion, three hundred two billion, three hundred three million, three hundred eleven thousand, four hundred twenty-one".