1379049456 has 40 divisors (see below), whose sum is σ = 3717440640. Its totient is φ = 439696576.

The previous prime is 1379049437. The next prime is 1379049457. The reversal of 1379049456 is 6549409731.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379049457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623466 + ... + 625673.

It is an arithmetic number, because the mean of its divisors is an integer number (92936016).

Almost surely, 2^1379049456 is an apocalyptic number.

1379049456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1379049456 is an abundant number, since it is smaller than the sum of its proper divisors (2338391184).

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

1379049456 is a wasteful number, since it uses less digits than its factorization.

1379049456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249173 (or 1249167 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 1379049456 is about 37135.5551459784. Note that the first 3 decimals coincide. The cubic root of 1379049456 is about 1113.0806007974.

The spelling of 1379049456 in words is "one billion, three hundred seventy-nine million, forty-nine thousand, four hundred fifty-six".