1541491264 has 14 divisors (see below), whose sum is σ = 3058896854. Its totient is φ = 770745600.

The previous prime is 1541491253. The next prime is 1541491267. The reversal of 1541491264 is 4621941451.

It can be written as a sum of positive squares in only one way, i.e., 1003622400 + 537868864 = 31680^2 + 23192^2 .

It is not an unprimeable number, because it can be changed into a prime (1541491267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12042837 + ... + 12042964.

Almost surely, 2^1541491264 is an apocalyptic number.

It is an amenable number.

1541491264 is a deficient number, since it is larger than the sum of its proper divisors (1517405590).

1541491264 is an equidigital number, since it uses as much as digits as its factorization.

1541491264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24085813 (or 24085803 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 1541491264 is about 39261.8296058653. The cubic root of 1541491264 is about 1155.1729815940.

The spelling of 1541491264 in words is "one billion, five hundred forty-one million, four hundred ninety-one thousand, two hundred sixty-four".