1118577040 has 40 divisors (see below), whose sum is σ = 2972220480. Its totient is φ = 383511936.

The previous prime is 1118577001. The next prime is 1118577059. The reversal of 1118577040 is 407758111.

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

It is a junction number, because it is equal to n+sod(n) for n = 1118576987 and 1118577005.

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, 998170 + ... + 999289.

It is an arithmetic number, because the mean of its divisors is an integer number (74305512).

Almost surely, 2^1118577040 is an apocalyptic number.

1118577040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1118577040 is an abundant number, since it is smaller than the sum of its proper divisors (1853643440).

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

1118577040 is a wasteful number, since it uses less digits than its factorization.

1118577040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997479 (or 1997473 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 34.

The square root of 1118577040 is about 33445.1347732372. The cubic root of 1118577040 is about 1038.0588297311.

The spelling of 1118577040 in words is "one billion, one hundred eighteen million, five hundred seventy-seven thousand, forty".