10918902240 has 144 divisors (see below), whose sum is σ = 38880904608. Its totient is φ = 2785102848.

The previous prime is 10918902233. The next prime is 10918902251. The reversal of 10918902240 is 4220981901.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×10918902240² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 10918902195 and 10918902204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131719 + ... + 197958.

It is an arithmetic number, because the mean of its divisors is an integer number (270006282).

Almost surely, 2^10918902240 is an apocalyptic number.

10918902240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10918902240 is an abundant number, since it is smaller than the sum of its proper divisors (27962002368).

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

10918902240 is a wasteful number, since it uses less digits than its factorization.

10918902240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329721 (or 329710 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 10918902240 in words is "ten billion, nine hundred eighteen million, nine hundred two thousand, two hundred forty".