2285479285440 has 448 divisors, whose sum is σ = 8095756419072. Its totient is φ = 542468505600.

The previous prime is 2285479285393. The next prime is 2285479285447. The reversal of 2285479285440 is 445829745822.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (2285479285447) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 108702769 + ... + 108723791.

It is an arithmetic number, because the mean of its divisors is an integer number (18070884864).

Almost surely, 2^{2285479285440} is an apocalyptic number.

2285479285440 is a gapful number since it is divisible by the number (20) 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 2285479285440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4047878209536).

2285479285440 is an abundant number, since it is smaller than the sum of its proper divisors (5810277133632).

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

2285479285440 is a wasteful number, since it uses less digits than its factorization.

2285479285440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21368 (or 21358 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 60.

The spelling of 2285479285440 in words is "two trillion, two hundred eighty-five billion, four hundred seventy-nine million, two hundred eighty-five thousand, four hundred forty".