4126012440 has 64 divisors (see below), whose sum is σ = 13503317760. Its totient is φ = 1000245120.

The previous prime is 4126012433. The next prime is 4126012463. The reversal of 4126012440 is 442106214.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 4126012440.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1561564 + ... + 1564203.

It is an arithmetic number, because the mean of its divisors is an integer number (210989340).

Almost surely, 2^4126012440 is an apocalyptic number.

4126012440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4126012440 is an abundant number, since it is smaller than the sum of its proper divisors (9377305320).

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

4126012440 is a wasteful number, since it uses less digits than its factorization.

4126012440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125792 (or 3125788 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 4126012440 is about 64234.0442444659. The cubic root of 4126012440 is about 1603.8983638023.

Adding to 4126012440 its reverse (442106214), we get a palindrome (4568118654).

The spelling of 4126012440 in words is "four billion, one hundred twenty-six million, twelve thousand, four hundred forty".