1001440454 has 16 divisors (see below), whose sum is σ = 1817741088. Its totient is φ = 403942272.

The previous prime is 1001440439. The next prime is 1001440481. The reversal of 1001440454 is 4540441001.

It is a happy number.

1001440454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1001440454² = 2005765965815452232, 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 7 ways as a sum of consecutive naturals, for example, 2103629 + ... + 2104104.

It is an arithmetic number, because the mean of its divisors is an integer number (113608818).

Almost surely, 2^1001440454 is an apocalyptic number.

1001440454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1001440454 is a deficient number, since it is larger than the sum of its proper divisors (816300634).

1001440454 is a wasteful number, since it uses less digits than its factorization.

1001440454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4207759.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1001440454 is about 31645.5439833162. The cubic root of 1001440454 is about 1000.4799209723.

Adding to 1001440454 its reverse (4540441001), we get a palindrome (5541881455).

The spelling of 1001440454 in words is "one billion, one million, four hundred forty thousand, four hundred fifty-four".