1077451648 has 128 divisors (see below), whose sum is σ = 2659849920. Its totient is φ = 423346176.

The previous prime is 1077451637. The next prime is 1077451667. The reversal of 1077451648 is 8461547701.

It is a tau number, because it is divible by the number of its divisors (128).

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, 2713786 + ... + 2714182.

Almost surely, 2^1077451648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1077451648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1329924960).

1077451648 is an abundant number, since it is smaller than the sum of its proper divisors (1582398272).

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

1077451648 is a wasteful number, since it uses less digits than its factorization.

1077451648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 1077451648 is about 32824.5586108938. The cubic root of 1077451648 is about 1025.1779656882.

The spelling of 1077451648 in words is "one billion, seventy-seven million, four hundred fifty-one thousand, six hundred forty-eight".