902219880440 has 64 divisors (see below), whose sum is σ = 2100953743200. Its totient is φ = 348284385792.

The previous prime is 902219880439. The next prime is 902219880487. The reversal of 902219880440 is 44088912209.

It is a happy number.

It is a super-2 number, since 2×902219880440² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2378954 + ... + 2732006.

Almost surely, 2^902219880440 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 902219880440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1050476871600).

902219880440 is an abundant number, since it is smaller than the sum of its proper divisors (1198733862760).

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

902219880440 is a wasteful number, since it uses less digits than its factorization.

902219880440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355296 (or 355292 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 902219880440 in words is "nine hundred two billion, two hundred nineteen million, eight hundred eighty thousand, four hundred forty".