1040542530 has 32 divisors (see below), whose sum is σ = 2508516864. Its totient is φ = 276231936.

The previous prime is 1040542513. The next prime is 1040542549. The reversal of 1040542530 is 352450401.

It is a self number, because there is not a number n which added to its sum of digits gives 1040542530.

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, 71079 + ... + 84458.

It is an arithmetic number, because the mean of its divisors is an integer number (78391152).

Almost surely, 2^1040542530 is an apocalyptic number.

1040542530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1040542530 is an abundant number, since it is smaller than the sum of its proper divisors (1467974334).

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

1040542530 is a wasteful number, since it uses less digits than its factorization.

1040542530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155770.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1040542530 is about 32257.4414670476. The cubic root of 1040542530 is about 1013.3355492747.

Adding to 1040542530 its reverse (352450401), we get a palindrome (1392992931).

The spelling of 1040542530 in words is "one billion, forty million, five hundred forty-two thousand, five hundred thirty".