2445277420 has 72 divisors (see below), whose sum is σ = 5300502480. Its totient is φ = 947283840.

The previous prime is 2445277381. The next prime is 2445277421. The reversal of 2445277420 is 247725442.

It is a self number, because there is not a number n which added to its sum of digits gives 2445277420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2445277421) 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, 13509730 + ... + 13509910.

It is an arithmetic number, because the mean of its divisors is an integer number (73618090).

Almost surely, 2^2445277420 is an apocalyptic number.

2445277420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2445277420 is an abundant number, since it is smaller than the sum of its proper divisors (2855225060).

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

2445277420 is a wasteful number, since it uses less digits than its factorization.

2445277420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 37.

The square root of 2445277420 is about 49449.7464098654. The cubic root of 2445277420 is about 1347.2330010495.

The spelling of 2445277420 in words is "two billion, four hundred forty-five million, two hundred seventy-seven thousand, four hundred twenty".