1023402579280 has 40 divisors (see below), whose sum is σ = 2388458236032. Its totient is φ = 407804517504.

The previous prime is 1023402579263. The next prime is 1023402579307. The reversal of 1023402579280 is 829752043201.

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

It is a congruent number.

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, 24299364 + ... + 24341443.

Almost surely, 2^{1023402579280} is an apocalyptic number.

1023402579280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023402579280 is an abundant number, since it is smaller than the sum of its proper divisors (1365055656752).

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

1023402579280 is a wasteful number, since it uses less digits than its factorization.

1023402579280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48641083 (or 48641077 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 1023402579280 in words is "one trillion, twenty-three billion, four hundred two million, five hundred seventy-nine thousand, two hundred eighty".