1023506640204 has 24 divisors (see below), whose sum is σ = 2395268763888. Its totient is φ = 340156508160.

The previous prime is 1023506640157. The next prime is 1023506640253. The reversal of 1023506640204 is 4020466053201.

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, 126542277 + ... + 126550364.

It is an arithmetic number, because the mean of its divisors is an integer number (99802865162).

Almost surely, 2^{1023506640204} is an apocalyptic number.

It is an amenable number.

1023506640204 is an abundant number, since it is smaller than the sum of its proper divisors (1371762123684).

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

1023506640204 is a wasteful number, since it uses less digits than its factorization.

1023506640204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253092985 (or 253092983 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 1023506640204 in words is "one trillion, twenty-three billion, five hundred six million, six hundred forty thousand, two hundred four".