1244010420 has 48 divisors (see below), whose sum is σ = 3870256320. Its totient is φ = 331735968.

The previous prime is 1244010403. The next prime is 1244010431. The reversal of 1244010420 is 240104421.

1244010420 is a `hidden beast` number, since 1 + 244 + 0 + 1 + 0 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1244010393 and 1244010402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1151322 + ... + 1152401.

It is an arithmetic number, because the mean of its divisors is an integer number (80630340).

Almost surely, 2^1244010420 is an apocalyptic number.

1244010420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1244010420 is an abundant number, since it is smaller than the sum of its proper divisors (2626245900).

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

1244010420 is a wasteful number, since it uses less digits than its factorization.

1244010420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2303741 (or 2303733 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1244010420 is about 35270.5318927855. The cubic root of 1244010420 is about 1075.4940350464.

Adding to 1244010420 its reverse (240104421), we get a palindrome (1484114841).

The spelling of 1244010420 in words is "one billion, two hundred forty-four million, ten thousand, four hundred twenty".