1098752940 has 36 divisors (see below), whose sum is σ = 3332884464. Its totient is φ = 293000736.

The previous prime is 1098752917. The next prime is 1098752947. The reversal of 1098752940 is 492578901.

1098752940 is a `hidden beast` number, since 1 + 0 + 9 + 87 + 529 + 40 = 666.

1098752940 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1098752947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3051912 + ... + 3052271.

It is an arithmetic number, because the mean of its divisors is an integer number (92580124).

Almost surely, 2^1098752940 is an apocalyptic number.

1098752940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1098752940 is an abundant number, since it is smaller than the sum of its proper divisors (2234131524).

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

1098752940 is a wasteful number, since it uses less digits than its factorization.

1098752940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6104198 (or 6104193 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 1098752940 is about 33147.4424352770. The cubic root of 1098752940 is about 1031.8898724200.

The spelling of 1098752940 in words is "one billion, ninety-eight million, seven hundred fifty-two thousand, nine hundred forty".