1080268240 has 40 divisors (see below), whose sum is σ = 2541899808. Its totient is φ = 426898560.

The previous prime is 1080268219. The next prime is 1080268261. The reversal of 1080268240 is 428620801.

It is an interprime number because it is at equal distance from previous prime (1080268219) and next prime (1080268261).

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, 74706 + ... + 87985.

Almost surely, 2^1080268240 is an apocalyptic number.

1080268240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1080268240 is an abundant number, since it is smaller than the sum of its proper divisors (1461631568).

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

1080268240 is a wasteful number, since it uses less digits than its factorization.

1080268240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162787 (or 162781 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 1080268240 is about 32867.4343385668. The cubic root of 1080268240 is about 1026.0705024465.

The spelling of 1080268240 in words is "one billion, eighty million, two hundred sixty-eight thousand, two hundred forty".