802149912 has 128 divisors (see below), whose sum is σ = 2326968000. Its totient is φ = 255790080.

The previous prime is 802149853. The next prime is 802149949. The reversal of 802149912 is 219941208.

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 31 ways as a sum of consecutive naturals, for example, 468514 + ... + 470222.

Almost surely, 2^802149912 is an apocalyptic number.

802149912 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 802149912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1163484000).

802149912 is an abundant number, since it is smaller than the sum of its proper divisors (1524818088).

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

802149912 is a wasteful number, since it uses less digits than its factorization.

802149912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818 (or 1808 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 802149912 is about 28322.2511817122. The cubic root of 802149912 is about 929.1486068636.

The spelling of 802149912 in words is "eight hundred two million, one hundred forty-nine thousand, nine hundred twelve".