1440651241 has 8 divisors (see below), whose sum is σ = 1497398400. Its totient is φ = 1384375440.

The previous prime is 1440651229. The next prime is 1440651257. The reversal of 1440651241 is 1421560441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1440651241 - 2¹¹ = 1440649193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1440651211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111601 + ... + 123838.

It is an arithmetic number, because the mean of its divisors is an integer number (187174800).

Almost surely, 2^1440651241 is an apocalyptic number.

It is an amenable number.

1440651241 is a deficient number, since it is larger than the sum of its proper divisors (56747159).

1440651241 is a wasteful number, since it uses less digits than its factorization.

1440651241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235679.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 1440651241 is about 37955.9118056726. The cubic root of 1440651241 is about 1129.4134426799.

The spelling of 1440651241 in words is "one billion, four hundred forty million, six hundred fifty-one thousand, two hundred forty-one".