1018252740 has 48 divisors (see below), whose sum is σ = 3018822912. Its totient is φ = 255561216.

The previous prime is 1018252733. The next prime is 1018252751. The reversal of 1018252740 is 472528101.

1018252740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1018252698 and 1018252707.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 498124 + ... + 500163.

It is an arithmetic number, because the mean of its divisors is an integer number (62892144).

Almost surely, 2^1018252740 is an apocalyptic number.

1018252740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1018252740 is an abundant number, since it is smaller than the sum of its proper divisors (2000570172).

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

1018252740 is a wasteful number, since it uses less digits than its factorization.

1018252740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998316 (or 998314 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 1018252740 is about 31910.0727043985. The cubic root of 1018252740 is about 1006.0475994800.

The spelling of 1018252740 in words is "one billion, eighteen million, two hundred fifty-two thousand, seven hundred forty".