1023780960 has 72 divisors (see below), whose sum is σ = 3493657440. Its totient is φ = 273007872.

The previous prime is 1023780941. The next prime is 1023781001. The reversal of 1023780960 is 690873201.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 354040 + ... + 356919.

It is an arithmetic number, because the mean of its divisors is an integer number (48523020).

Almost surely, 2^1023780960 is an apocalyptic number.

1023780960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023780960 is an abundant number, since it is smaller than the sum of its proper divisors (2469876480).

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

1023780960 is a wasteful number, since it uses less digits than its factorization.

1023780960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710980 (or 710969 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1023780960 is about 31996.5773169569. The cubic root of 1023780960 is about 1007.8649667944.

The spelling of 1023780960 in words is "one billion, twenty-three million, seven hundred eighty thousand, nine hundred sixty".