802520490 has 32 divisors (see below), whose sum is σ = 1928886336. Its totient is φ = 213690240.

The previous prime is 802520471. The next prime is 802520497. The reversal of 802520490 is 94025208.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (802520497) 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, 1374 + ... + 40086.

It is an arithmetic number, because the mean of its divisors is an integer number (60277698).

Almost surely, 2^802520490 is an apocalyptic number.

802520490 is an abundant number, since it is smaller than the sum of its proper divisors (1126365846).

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

802520490 is a wasteful number, since it uses less digits than its factorization.

802520490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39414.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 802520490 is about 28328.7925969322. The cubic root of 802520490 is about 929.2916678291.

Adding to 802520490 its reverse (94025208), we get a palindrome (896545698).

The spelling of 802520490 in words is "eight hundred two million, five hundred twenty thousand, four hundred ninety".