1098466140 has 48 divisors (see below), whose sum is σ = 3141153792. Its totient is φ = 286691136.

The previous prime is 1098466123. The next prime is 1098466141. The reversal of 1098466140 is 416648901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098466141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191944 + ... + 197583.

It is an arithmetic number, because the mean of its divisors is an integer number (65440704).

Almost surely, 2^1098466140 is an apocalyptic number.

1098466140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1098466140 is an abundant number, since it is smaller than the sum of its proper divisors (2042687652).

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

1098466140 is a wasteful number, since it uses less digits than its factorization.

1098466140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389586 (or 389584 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 1098466140 is about 33143.1160273140. The cubic root of 1098466140 is about 1031.8000822109.

The spelling of 1098466140 in words is "one billion, ninety-eight million, four hundred sixty-six thousand, one hundred forty".