810825048 has 48 divisors (see below), whose sum is σ = 2395621800. Its totient is φ = 245704320.

The previous prime is 810825017. The next prime is 810825073. The reversal of 810825048 is 840528018.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 511093 + ... + 512676.

Almost surely, 2^810825048 is an apocalyptic number.

810825048 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

810825048 is an abundant number, since it is smaller than the sum of its proper divisors (1584796752).

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

810825048 is a wasteful number, since it uses less digits than its factorization.

810825048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023792 (or 1023785 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 810825048 is about 28474.9898683037. The cubic root of 810825048 is about 932.4861401865.

The spelling of 810825048 in words is "eight hundred ten million, eight hundred twenty-five thousand, forty-eight".