618298140 has 48 divisors (see below), whose sum is σ = 1747136160. Its totient is φ = 163365120.

The previous prime is 618298139. The next prime is 618298141. The reversal of 618298140 is 41892816.

It is an interprime number because it is at equal distance from previous prime (618298139) and next prime (618298141).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618298141) 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, 40731 + ... + 53810.

It is an arithmetic number, because the mean of its divisors is an integer number (36398670).

Almost surely, 2^618298140 is an apocalyptic number.

618298140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

618298140 is an abundant number, since it is smaller than the sum of its proper divisors (1128838020).

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

618298140 is a wasteful number, since it uses less digits than its factorization.

618298140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94662 (or 94660 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 618298140 is about 24865.6015410848. The cubic root of 618298140 is about 851.9209794685.

The spelling of 618298140 in words is "six hundred eighteen million, two hundred ninety-eight thousand, one hundred forty".