1528455090 has 16 divisors (see below), whose sum is σ = 3668292288. Its totient is φ = 407588016.

The previous prime is 1528455083. The next prime is 1528455139. The reversal of 1528455090 is 905548251.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25474222 + ... + 25474281.

It is an arithmetic number, because the mean of its divisors is an integer number (229268268).

Almost surely, 2^1528455090 is an apocalyptic number.

1528455090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1528455090 is an abundant number, since it is smaller than the sum of its proper divisors (2139837198).

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

1528455090 is a wasteful number, since it uses less digits than its factorization.

1528455090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50948513.

The product of its (nonzero) digits is 72000, while the sum is 39.

The square root of 1528455090 is about 39095.4612455206. The cubic root of 1528455090 is about 1151.9073803696.

The spelling of 1528455090 in words is "one billion, five hundred twenty-eight million, four hundred fifty-five thousand, ninety".