1006272440 has 16 divisors (see below), whose sum is σ = 2264113080. Its totient is φ = 402508960.

The previous prime is 1006272427. The next prime is 1006272467. The reversal of 1006272440 is 442726001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12578366 + ... + 12578445.

Almost surely, 2^1006272440 is an apocalyptic number.

1006272440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1006272440 is an abundant number, since it is smaller than the sum of its proper divisors (1257840640).

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

1006272440 is a wasteful number, since it uses less digits than its factorization.

1006272440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25156822 (or 25156818 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 1006272440 is about 31721.7975531022. The cubic root of 1006272440 is about 1002.0864570028.

Adding to 1006272440 its reverse (442726001), we get a palindrome (1448998441).

The spelling of 1006272440 in words is "one billion, six million, two hundred seventy-two thousand, four hundred forty".