1013378560 has 40 divisors (see below), whose sum is σ = 2429739576. Its totient is φ = 405350400.

The previous prime is 1013378539. The next prime is 1013378573. The reversal of 1013378560 is 658733101.

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

It is a super-2 number, since 2×1013378560² = 2053872211735347200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195366 + ... + 200485.

Almost surely, 2^1013378560 is an apocalyptic number.

1013378560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013378560 is an abundant number, since it is smaller than the sum of its proper divisors (1416361016).

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

1013378560 is an frugal number, since it uses more digits than its factorization.

1013378560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395874 (or 395858 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1013378560 is about 31833.6073984712. The cubic root of 1013378560 is about 1004.4397791890.

The spelling of 1013378560 in words is "one billion, thirteen million, three hundred seventy-eight thousand, five hundred sixty".