4240003030021 has 32 divisors (see below), whose sum is σ = 4990341021696. Its totient is φ = 3562238064000.

The previous prime is 4240003030013. The next prime is 4240003030027. The reversal of 4240003030021 is 1200303000424.

It is not a de Polignac number, because 4240003030021 - 2³ = 4240003030013 is a prime.

It is a super-2 number, since 2×4240003030021² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4240003030027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4401036 + ... + 5277226.

It is an arithmetic number, because the mean of its divisors is an integer number (155948156928).

Almost surely, 2^{4240003030021} is an apocalyptic number.

It is an amenable number.

4240003030021 is a deficient number, since it is larger than the sum of its proper divisors (750337991675).

4240003030021 is a wasteful number, since it uses less digits than its factorization.

4240003030021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876873.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 4240003030021 its reverse (1200303000424), we get a palindrome (5440306030445).

The spelling of 4240003030021 in words is "four trillion, two hundred forty billion, three million, thirty thousand, twenty-one".