902219880436 has 48 divisors (see below), whose sum is σ = 1840561180416. Its totient is φ = 378941831424.

The previous prime is 902219880413. The next prime is 902219880439. The reversal of 902219880436 is 634088912209.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (902219880439) 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, 973600 + ... + 1659016.

It is an arithmetic number, because the mean of its divisors is an integer number (38345024592).

Almost surely, 2^902219880436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 902219880436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (920280590208).

902219880436 is an abundant number, since it is smaller than the sum of its proper divisors (938341299980).

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

902219880436 is a wasteful number, since it uses less digits than its factorization.

902219880436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686368 (or 686366 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 902219880436 in words is "nine hundred two billion, two hundred nineteen million, eight hundred eighty thousand, four hundred thirty-six".