42021040341 has 16 divisors (see below), whose sum is σ = 65762658944. Its totient is φ = 23363049024.

The previous prime is 42021040309. The next prime is 42021040349. The reversal of 42021040341 is 14304012024.

It is not a de Polignac number, because 42021040341 - 2⁵ = 42021040309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42021040349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27039790 + ... + 27041343.

It is an arithmetic number, because the mean of its divisors is an integer number (4110166184).

Almost surely, 2^42021040341 is an apocalyptic number.

It is an amenable number.

42021040341 is a deficient number, since it is larger than the sum of its proper divisors (23741618603).

42021040341 is a wasteful number, since it uses less digits than its factorization.

42021040341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54081180.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 42021040341 its reverse (14304012024), we get a palindrome (56325052365).

The spelling of 42021040341 in words is "forty-two billion, twenty-one million, forty thousand, three hundred forty-one".