1528047780340 has 48 divisors (see below), whose sum is σ = 3229637419008. Its totient is φ = 607280534784.

The previous prime is 1528047780307. The next prime is 1528047780341. The reversal of 1528047780340 is 430877408251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1528047780341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1803469 + ... + 2511691.

It is an arithmetic number, because the mean of its divisors is an integer number (67284112896).

Almost surely, 2^{1528047780340} is an apocalyptic number.

1528047780340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1528047780340 is an abundant number, since it is smaller than the sum of its proper divisors (1701589638668).

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

1528047780340 is a wasteful number, since it uses less digits than its factorization.

1528047780340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708928 (or 708926 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 49.

The spelling of 1528047780340 in words is "one trillion, five hundred twenty-eight billion, forty-seven million, seven hundred eighty thousand, three hundred forty".