1015700080 has 40 divisors (see below), whose sum is σ = 2411756352. Its totient is φ = 397634304.

The previous prime is 1015700069. The next prime is 1015700099. The reversal of 1015700080 is 800075101.

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, 131307 + ... + 138826.

Almost surely, 2^1015700080 is an apocalyptic number.

1015700080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1015700080 is an abundant number, since it is smaller than the sum of its proper divisors (1396056272).

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

1015700080 is a wasteful number, since it uses less digits than its factorization.

1015700080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270193 (or 270187 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 1015700080 is about 31870.0498901398. The cubic root of 1015700080 is about 1005.2062083571.

Adding to 1015700080 its reverse (800075101), we get a palindrome (1815775181).

The spelling of 1015700080 in words is "one billion, fifteen million, seven hundred thousand, eighty".