1505064660 has 48 divisors (see below), whose sum is σ = 4597290432. Its totient is φ = 364864000.

The previous prime is 1505064653. The next prime is 1505064667. The reversal of 1505064660 is 664605051.

It is an interprime number because it is at equal distance from previous prime (1505064653) and next prime (1505064667).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1505064667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1139541 + ... + 1140860.

It is an arithmetic number, because the mean of its divisors is an integer number (95776884).

Almost surely, 2^1505064660 is an apocalyptic number.

1505064660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1505064660 is an abundant number, since it is smaller than the sum of its proper divisors (3092225772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1505064660 is a wasteful number, since it uses less digits than its factorization.

1505064660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280424 (or 2280422 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1505064660 is about 38795.1628428081. The cubic root of 1505064660 is about 1146.0011482374.

The spelling of 1505064660 in words is "one billion, five hundred five million, sixty-four thousand, six hundred sixty".