1026541520 has 40 divisors (see below), whose sum is σ = 2490483456. Its totient is φ = 392763008.

The previous prime is 1026541511. The next prime is 1026541541. The reversal of 1026541520 is 251456201.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 1026541520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277112 + ... + 280791.

Almost surely, 2^1026541520 is an apocalyptic number.

1026541520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1026541520 is an abundant number, since it is smaller than the sum of its proper divisors (1463941936).

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

1026541520 is a wasteful number, since it uses less digits than its factorization.

1026541520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557939 (or 557933 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1026541520 is about 32039.6866401655. The cubic root of 1026541520 is about 1008.7700349751.

Adding to 1026541520 its reverse (251456201), we get a palindrome (1277997721).

The spelling of 1026541520 in words is "one billion, twenty-six million, five hundred forty-one thousand, five hundred twenty".