1368587880 has 128 divisors (see below), whose sum is σ = 4976726400. Its totient is φ = 331776000.

The previous prime is 1368587827. The next prime is 1368587893. The reversal of 1368587880 is 887858631.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45721 + ... + 69480.

It is an arithmetic number, because the mean of its divisors is an integer number (38880675).

Almost surely, 2^1368587880 is an apocalyptic number.

1368587880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1368587880 is an abundant number, since it is smaller than the sum of its proper divisors (3608138520).

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

1368587880 is a wasteful number, since it uses less digits than its factorization.

1368587880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115232 (or 115222 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 54.

The square root of 1368587880 is about 36994.4303916144. The cubic root of 1368587880 is about 1110.2588147397.

The spelling of 1368587880 in words is "one billion, three hundred sixty-eight million, five hundred eighty-seven thousand, eight hundred eighty".