1501980544 has 16 divisors (see below), whose sum is σ = 2992227120. Its totient is φ = 750990208.

The previous prime is 1501980539. The next prime is 1501980547. The reversal of 1501980544 is 4450891051.

It is a tau number, because it is divible by the number of its divisors (16).

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1501980547) 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, 5866984 + ... + 5867239.

It is an arithmetic number, because the mean of its divisors is an integer number (187014195).

Almost surely, 2^1501980544 is an apocalyptic number.

It is an amenable number.

1501980544 is a deficient number, since it is larger than the sum of its proper divisors (1490246576).

1501980544 is an equidigital number, since it uses as much as digits as its factorization.

1501980544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11734237 (or 11734225 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 1501980544 is about 38755.3937407427. The cubic root of 1501980544 is about 1145.2178336273.

The spelling of 1501980544 in words is "one billion, five hundred one million, nine hundred eighty thousand, five hundred forty-four".