1541440655 has 4 divisors (see below), whose sum is σ = 1849728792. Its totient is φ = 1233152520.

The previous prime is 1541440631. The next prime is 1541440661. The reversal of 1541440655 is 5560441451.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1541440655 - 2⁶ = 1541440591 is a prime.

It is a Duffinian number.

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, 154144061 + ... + 154144070.

It is an arithmetic number, because the mean of its divisors is an integer number (462432198).

Almost surely, 2^1541440655 is an apocalyptic number.

1541440655 is a deficient number, since it is larger than the sum of its proper divisors (308288137).

1541440655 is an equidigital number, since it uses as much as digits as its factorization.

1541440655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308288136.

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 1541440655 is about 39261.1850941869. The cubic root of 1541440655 is about 1155.1603395526.

The spelling of 1541440655 in words is "one billion, five hundred forty-one million, four hundred forty thousand, six hundred fifty-five".