4012401031040 has 32 divisors (see below), whose sum is σ = 9592146216360. Its totient is φ = 1604960412160.

The previous prime is 4012401030973. The next prime is 4012401031049. The reversal of 4012401031040 is 401301042104.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012401031049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3134687666 + ... + 3134688945.

Almost surely, 2^{4012401031040} is an apocalyptic number.

4012401031040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4012401031040 is an abundant number, since it is smaller than the sum of its proper divisors (5579745185320).

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

4012401031040 is an equidigital number, since it uses as much as digits as its factorization.

4012401031040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6269376630 (or 6269376618 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 4012401031040 its reverse (401301042104), we get a palindrome (4413702073144).

The spelling of 4012401031040 in words is "four trillion, twelve billion, four hundred one million, thirty-one thousand, forty".