1018358240 has 24 divisors (see below), whose sum is σ = 2405871720. Its totient is φ = 407343232.

The previous prime is 1018358227. The next prime is 1018358261. The reversal of 1018358240 is 428538101.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 1018358197 and 1018358206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3182210 + ... + 3182529.

It is an arithmetic number, because the mean of its divisors is an integer number (100244655).

Almost surely, 2^1018358240 is an apocalyptic number.

1018358240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1018358240 is an abundant number, since it is smaller than the sum of its proper divisors (1387513480).

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

1018358240 is an equidigital number, since it uses as much as digits as its factorization.

1018358240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6364754 (or 6364746 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 1018358240 is about 31911.7257446225. The cubic root of 1018358240 is about 1006.0823434265.

The spelling of 1018358240 in words is "one billion, eighteen million, three hundred fifty-eight thousand, two hundred forty".