4212031405540 has 96 divisors (see below), whose sum is σ = 10474691512320. Its totient is φ = 1392029743104.

The previous prime is 4212031405529. The next prime is 4212031405601. The reversal of 4212031405540 is 455041302124.

It is a super-2 number, since 2×4212031405540² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1609852 + ... + 3318988.

It is an arithmetic number, because the mean of its divisors is an integer number (109111369920).

Almost surely, 2^{4212031405540} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4212031405540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5237345756160).

4212031405540 is an abundant number, since it is smaller than the sum of its proper divisors (6262660106780).

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

4212031405540 is a wasteful number, since it uses less digits than its factorization.

4212031405540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709789 (or 1709787 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 4212031405540 its reverse (455041302124), we get a palindrome (4667072707664).

The spelling of 4212031405540 in words is "four trillion, two hundred twelve billion, thirty-one million, four hundred five thousand, five hundred forty".