1040311428 has 48 divisors (see below), whose sum is σ = 2616929280. Its totient is φ = 319751424.

The previous prime is 1040311411. The next prime is 1040311429. The reversal of 1040311428 is 8241130401.

It is a junction number, because it is equal to n+sod(n) for n = 1040311398 and 1040311407.

It is not an unprimeable number, because it can be changed into a prime (1040311429) 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, 168093 + ... + 174171.

It is an arithmetic number, because the mean of its divisors is an integer number (54519360).

Almost surely, 2^1040311428 is an apocalyptic number.

It is an amenable number.

1040311428 is an abundant number, since it is smaller than the sum of its proper divisors (1576617852).

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

1040311428 is a wasteful number, since it uses less digits than its factorization.

1040311428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7196 (or 7194 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1040311428 is about 32253.8591179412. The cubic root of 1040311428 is about 1013.2605239219.

Adding to 1040311428 its reverse (8241130401), we get a palindrome (9281441829).

The spelling of 1040311428 in words is "one billion, forty million, three hundred eleven thousand, four hundred twenty-eight".