1117263640 has 32 divisors (see below), whose sum is σ = 2623142880. Its totient is φ = 427474432.

The previous prime is 1117263619. The next prime is 1117263671. The reversal of 1117263640 is 463627111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606289 + ... + 608128.

It is an arithmetic number, because the mean of its divisors is an integer number (81973215).

Almost surely, 2^1117263640 is an apocalyptic number.

1117263640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1117263640 is an abundant number, since it is smaller than the sum of its proper divisors (1505879240).

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

1117263640 is a wasteful number, since it uses less digits than its factorization.

1117263640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214451 (or 1214447 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1117263640 is about 33425.4938632176. The cubic root of 1117263640 is about 1037.6523846428.

The spelling of 1117263640 in words is "one billion, one hundred seventeen million, two hundred sixty-three thousand, six hundred forty".