1382527578 has 32 divisors (see below), whose sum is σ = 2828613312. Its totient is φ = 450320000.

The previous prime is 1382527561. The next prime is 1382527579. The reversal of 1382527578 is 8757252831.

It is a super-2 number, since 2×1382527578² = 3822765007861092168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1382527579) 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, 71158 + ... + 88478.

It is an arithmetic number, because the mean of its divisors is an integer number (88394166).

Almost surely, 2^1382527578 is an apocalyptic number.

1382527578 is an abundant number, since it is smaller than the sum of its proper divisors (1446085734).

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

1382527578 is a wasteful number, since it uses less digits than its factorization.

1382527578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17630.

The product of its digits is 940800, while the sum is 48.

The square root of 1382527578 is about 37182.3557349450. The cubic root of 1382527578 is about 1114.0155877988.

The spelling of 1382527578 in words is "one billion, three hundred eighty-two million, five hundred twenty-seven thousand, five hundred seventy-eight".