40324242021 has 64 divisors (see below), whose sum is σ = 63397403136. Its totient is φ = 22325760000.

The previous prime is 40324241959. The next prime is 40324242061. The reversal of 40324242021 is 12024242304.

It is not a de Polignac number, because 40324242021 - 2⁶ = 40324241957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40324241982 and 40324242000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40324242061) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21211171 + ... + 21213071.

It is an arithmetic number, because the mean of its divisors is an integer number (990584424).

Almost surely, 2^40324242021 is an apocalyptic number.

It is an amenable number.

40324242021 is a deficient number, since it is larger than the sum of its proper divisors (23073161115).

40324242021 is a wasteful number, since it uses less digits than its factorization.

40324242021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 40324242021 its reverse (12024242304), we get a palindrome (52348484325).

The spelling of 40324242021 in words is "forty billion, three hundred twenty-four million, two hundred forty-two thousand, twenty-one".