2040102421040 has 40 divisors (see below), whose sum is σ = 4767073533600. Its totient is φ = 811940253696.

The previous prime is 2040102421037. The next prime is 2040102421099. The reversal of 2040102421040 is 401242010402.

It is a tau number, because it is divible by the number of its divisors (40).

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64057649 + ... + 64089488.

It is an arithmetic number, because the mean of its divisors is an integer number (119176838340).

Almost surely, 2^{2040102421040} is an apocalyptic number.

2040102421040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2040102421040 is an abundant number, since it is smaller than the sum of its proper divisors (2726971112560).

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

2040102421040 is a wasteful number, since it uses less digits than its factorization.

2040102421040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128147349 (or 128147343 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2040102421040 its reverse (401242010402), we get a palindrome (2441344431442).

The spelling of 2040102421040 in words is "two trillion, forty billion, one hundred two million, four hundred twenty-one thousand, forty".