1071448040 has 64 divisors (see below), whose sum is σ = 2679989760. Its totient is φ = 382844160.

The previous prime is 1071448013. The next prime is 1071448043. The reversal of 1071448040 is 408441701.

It is a super-2 number, since 2×1071448040² = 2296001804839683200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1071447994 and 1071448012.

It is not an unprimeable number, because it can be changed into a prime (1071448043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17114 + ... + 49353.

It is an arithmetic number, because the mean of its divisors is an integer number (41874840).

Almost surely, 2^1071448040 is an apocalyptic number.

1071448040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1071448040 is an abundant number, since it is smaller than the sum of its proper divisors (1608541720).

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

1071448040 is a wasteful number, since it uses less digits than its factorization.

1071448040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66522 (or 66518 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 1071448040 is about 32732.9809213888. The cubic root of 1071448040 is about 1023.2703058533.

Adding to 1071448040 its reverse (408441701), we get a palindrome (1479889741).

The spelling of 1071448040 in words is "one billion, seventy-one million, four hundred forty-eight thousand, forty".