1377244420 has 24 divisors (see below), whose sum is σ = 2959475904. Its totient is φ = 538085856.

The previous prime is 1377244411. The next prime is 1377244447. The reversal of 1377244420 is 244427731.

It is a super-2 number, since 2×1377244420² = 3793604384842272800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799864 + ... + 801583.

It is an arithmetic number, because the mean of its divisors is an integer number (123311496).

Almost surely, 2^1377244420 is an apocalyptic number.

1377244420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1377244420 is an abundant number, since it is smaller than the sum of its proper divisors (1582231484).

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

1377244420 is a wasteful number, since it uses less digits than its factorization.

1377244420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601499 (or 1601497 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 34.

The square root of 1377244420 is about 37111.2438487313. The cubic root of 1377244420 is about 1112.5947521872.

The spelling of 1377244420 in words is "one billion, three hundred seventy-seven million, two hundred forty-four thousand, four hundred twenty".