1040421140 has 48 divisors (see below), whose sum is σ = 2434247424. Its totient is φ = 370281600.

The previous prime is 1040421113. The next prime is 1040421157. The reversal of 1040421140 is 411240401.

It is a super-2 number, since 2×1040421140² = 2164952297117799200, which contains 22 as substring.

It is a congruent number.

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, 39971 + ... + 60650.

It is an arithmetic number, because the mean of its divisors is an integer number (50713488).

Almost surely, 2^1040421140 is an apocalyptic number.

1040421140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040421140 is an abundant number, since it is smaller than the sum of its proper divisors (1393826284).

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

1040421140 is a wasteful number, since it uses less digits than its factorization.

1040421140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100688 (or 100686 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1040421140 is about 32255.5598308261. The cubic root of 1040421140 is about 1013.2961424004.

Adding to 1040421140 its reverse (411240401), we get a palindrome (1451661541).

The spelling of 1040421140 in words is "one billion, forty million, four hundred twenty-one thousand, one hundred forty".