4030442021240 has 64 divisors (see below), whose sum is σ = 9102512432160. Its totient is φ = 1606131394560.

The previous prime is 4030442021239. The next prime is 4030442021257. The reversal of 4030442021240 is 421202440304.

It is a happy number.

It is a super-2 number, since 2×4030442021240² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63845372 + ... + 63908468.

Almost surely, 2^{4030442021240} is an apocalyptic number.

4030442021240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4030442021240 is an abundant number, since it is smaller than the sum of its proper divisors (5072070410920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4030442021240 is a wasteful number, since it uses less digits than its factorization.

4030442021240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69072 (or 69068 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 4030442021240 its reverse (421202440304), we get a palindrome (4451644461544).

The spelling of 4030442021240 in words is "four trillion, thirty billion, four hundred forty-two million, twenty-one thousand, two hundred forty".