2492665920 has 224 divisors, whose sum is σ = 8882115840. Its totient is φ = 658022400.

The previous prime is 2492665909. The next prime is 2492665969. The reversal of 2492665920 is 295662942.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 888520 + ... + 891320.

Almost surely, 2^2492665920 is an apocalyptic number.

2492665920 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 2492665920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4441057920).

2492665920 is an abundant number, since it is smaller than the sum of its proper divisors (6389449920).

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

2492665920 is a wasteful number, since it uses less digits than its factorization.

2492665920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2930 (or 2914 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 2492665920 is about 49926.6053322274. The cubic root of 2492665920 is about 1355.8803246250.

The spelling of 2492665920 in words is "two billion, four hundred ninety-two million, six hundred sixty-five thousand, nine hundred twenty".