10040402041040 has 40 divisors (see below), whose sum is σ = 26678782567680. Its totient is φ = 3442423556736.

The previous prime is 10040402041013. The next prime is 10040402041057. The reversal of 10040402041040 is 4014020404001.

It is a happy number.

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 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 7 ways as a sum of consecutive naturals, for example, 8964644120 + ... + 8964645239.

It is an arithmetic number, because the mean of its divisors is an integer number (666969564192).

Almost surely, 2^{10040402041040} is an apocalyptic number.

10040402041040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10040402041040 is an abundant number, since it is smaller than the sum of its proper divisors (16638380526640).

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

10040402041040 is a wasteful number, since it uses less digits than its factorization.

10040402041040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17929289379 (or 17929289373 counting only the distinct ones).

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

Adding to 10040402041040 its reverse (4014020404001), we get a palindrome (14054422445041).

The spelling of 10040402041040 in words is "ten trillion, forty billion, four hundred two million, forty-one thousand, forty".