1000408540001 has 4 divisors (see below), whose sum is σ = 1077363043092. Its totient is φ = 923454036912.

The previous prime is 1000408539979. The next prime is 1000408540057. The reversal of 1000408540001 is 1000458040001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 280963603600 + 719444936401 = 530060^2 + 848201^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000408540001 - 2¹⁸ = 1000408277857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000408546001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38477251526 + ... + 38477251551.

It is an arithmetic number, because the mean of its divisors is an integer number (269340760773).

Almost surely, 2^{1000408540001} is an apocalyptic number.

It is an amenable number.

1000408540001 is a deficient number, since it is larger than the sum of its proper divisors (76954503091).

1000408540001 is an equidigital number, since it uses as much as digits as its factorization.

1000408540001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76954503090.

The product of its (nonzero) digits is 640, while the sum is 23.

The spelling of 1000408540001 in words is "one trillion, four hundred eight million, five hundred forty thousand, one".