1244674431 has 288 divisors, whose sum is σ = 2760645888. Its totient is φ = 548674560.

The previous prime is 1244674429. The next prime is 1244674447. The reversal of 1244674431 is 1344764421.

1244674431 is a `hidden beast` number, since 124 + 467 + 44 + 31 = 666.

It is not a de Polignac number, because 1244674431 - 2¹ = 1244674429 is a prime.

It is a super-2 number, since 2×1244674431² = 3098428878370347522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244674421) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 28945896 + ... + 28945938.

It is an arithmetic number, because the mean of its divisors is an integer number (9585576).

Almost surely, 2^1244674431 is an apocalyptic number.

1244674431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1244674431 is an abundant number, since it is smaller than the sum of its proper divisors (1515971457).

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

1244674431 is a wasteful number, since it uses less digits than its factorization.

1244674431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 94 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 1244674431 is about 35279.9437499552. The cubic root of 1244674431 is about 1075.6853552140.

The spelling of 1244674431 in words is "one billion, two hundred forty-four million, six hundred seventy-four thousand, four hundred thirty-one".