1115458740 has 288 divisors, whose sum is σ = 4038128640. Its totient is φ = 246067200.

The previous prime is 1115458703. The next prime is 1115458759. The reversal of 1115458740 is 478545111.

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 = 1115458695 and 1115458704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1042926 + ... + 1043994.

It is an arithmetic number, because the mean of its divisors is an integer number (14021280).

Almost surely, 2^1115458740 is an apocalyptic number.

1115458740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115458740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2019064320).

1115458740 is an abundant number, since it is smaller than the sum of its proper divisors (2922669900).

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

1115458740 is a wasteful number, since it uses less digits than its factorization.

1115458740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143 (or 1138 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 1115458740 is about 33398.4840973359. The cubic root of 1115458740 is about 1037.0933198765.

The spelling of 1115458740 in words is "one billion, one hundred fifteen million, four hundred fifty-eight thousand, seven hundred forty".