2420921250 has 160 divisors (see below), whose sum is σ = 7334902080. Its totient is φ = 586800000.

The previous prime is 2420921231. The next prime is 2420921263. The reversal of 2420921250 is 521290242.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 367990 + ... + 374510.

It is an arithmetic number, because the mean of its divisors is an integer number (45843138).

Almost surely, 2^2420921250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2420921250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3667451040).

2420921250 is an abundant number, since it is smaller than the sum of its proper divisors (4913980830).

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

2420921250 is a wasteful number, since it uses less digits than its factorization.

2420921250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6563 (or 6542 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 2420921250 is about 49202.8581486889. The cubic root of 2420921250 is about 1342.7450318949.

It can be divided in two parts, 242092 and 1250, that added together give a palindrome (243342).

The spelling of 2420921250 in words is "two billion, four hundred twenty million, nine hundred twenty-one thousand, two hundred fifty".