2455217292 has 72 divisors (see below), whose sum is σ = 6356242368. Its totient is φ = 737005280.

The previous prime is 2455217291. The next prime is 2455217293. The reversal of 2455217292 is 2927125542.

It is an interprime number because it is at equal distance from previous prime (2455217291) and next prime (2455217293).

It is a self number, because there is not a number n which added to its sum of digits gives 2455217292.

It is not an unprimeable number, because it can be changed into a prime (2455217291) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147463 + ... + 163265.

It is an arithmetic number, because the mean of its divisors is an integer number (88281144).

Almost surely, 2^2455217292 is an apocalyptic number.

2455217292 is a gapful number since it is divisible by the number (22) 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 2455217292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3178121184).

2455217292 is an abundant number, since it is smaller than the sum of its proper divisors (3901025076).

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

2455217292 is a wasteful number, since it uses less digits than its factorization.

2455217292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15939 (or 15926 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 2455217292 is about 49550.1492631455. The cubic root of 2455217292 is about 1349.0560006851.

The spelling of 2455217292 in words is "two billion, four hundred fifty-five million, two hundred seventeen thousand, two hundred ninety-two".