1244882040 has 64 divisors (see below), whose sum is σ = 3737072160. Its totient is φ = 331752960.

The previous prime is 1244882027. The next prime is 1244882059. The reversal of 1244882040 is 402884421.

It is a junction number, because it is equal to n+sod(n) for n = 1244881992 and 1244882010.

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, 283542 + ... + 287898.

Almost surely, 2^1244882040 is an apocalyptic number.

1244882040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1244882040 is an abundant number, since it is smaller than the sum of its proper divisors (2492190120).

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

1244882040 is a wasteful number, since it uses less digits than its factorization.

1244882040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6752 (or 6748 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 33.

The square root of 1244882040 is about 35282.8859363856. The cubic root of 1244882040 is about 1075.7451592184.

The spelling of 1244882040 in words is "one billion, two hundred forty-four million, eight hundred eighty-two thousand, forty".