1026352140 has 48 divisors (see below), whose sum is σ = 3135041280. Its totient is φ = 248812480.

The previous prime is 1026352109. The next prime is 1026352147. The reversal of 1026352140 is 412536201.

It is a self number, because there is not a number n which added to its sum of digits gives 1026352140.

It is not an unprimeable number, because it can be changed into a prime (1026352147) 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, 776880 + ... + 778199.

It is an arithmetic number, because the mean of its divisors is an integer number (65313360).

Almost surely, 2^1026352140 is an apocalyptic number.

1026352140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1026352140 is an abundant number, since it is smaller than the sum of its proper divisors (2108689140).

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

1026352140 is a wasteful number, since it uses less digits than its factorization.

1026352140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555102 (or 1555100 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1026352140 is about 32036.7311066532. The cubic root of 1026352140 is about 1008.7079973421.

Adding to 1026352140 its reverse (412536201), we get a palindrome (1438888341).

The spelling of 1026352140 in words is "one billion, twenty-six million, three hundred fifty-two thousand, one hundred forty".