1090477648 has 80 divisors (see below), whose sum is σ = 2450468160. Its totient is φ = 465573888.

The previous prime is 1090477643. The next prime is 1090477693. The reversal of 1090477648 is 8467740901.

It is a super-2 number, since 2×1090477648² = 2378283001575223808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1090477598 and 1090477607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090477643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206011 + ... + 211237.

It is an arithmetic number, because the mean of its divisors is an integer number (30630852).

Almost surely, 2^1090477648 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 1090477648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1225234080).

1090477648 is an abundant number, since it is smaller than the sum of its proper divisors (1359990512).

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

1090477648 is a wasteful number, since it uses less digits than its factorization.

1090477648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5324 (or 5318 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 1090477648 is about 33022.3810165167. The cubic root of 1090477648 is about 1029.2927711755.

The spelling of 1090477648 in words is "one billion, ninety million, four hundred seventy-seven thousand, six hundred forty-eight".