2640023100034 has 4 divisors (see below), whose sum is σ = 3960034650054. Its totient is φ = 1320011550016.

The previous prime is 2640023100031. The next prime is 2640023100053. The reversal of 2640023100034 is 4300013200462.

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

It can be written as a sum of positive squares in only one way, i.e., 2635541199225 + 4481900809 = 1623435^2 + 66947^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2640023099981 and 2640023100008.

It is not an unprimeable number, because it can be changed into a prime (2640023100031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660005775007 + ... + 660005775010.

Almost surely, 2^{2640023100034} is an apocalyptic number.

2640023100034 is a deficient number, since it is larger than the sum of its proper divisors (1320011550020).

2640023100034 is a wasteful number, since it uses less digits than its factorization.

2640023100034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320011550019.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 2640023100034 its reverse (4300013200462), we get a palindrome (6940036300496).

The spelling of 2640023100034 in words is "two trillion, six hundred forty billion, twenty-three million, one hundred thousand, thirty-four".