1090550736 has 240 divisors, whose sum is σ = 3556994560. Its totient is φ = 319334400.

The previous prime is 1090550707. The next prime is 1090550761. The reversal of 1090550736 is 6370550901.

It is a happy number.

1090550736 is a `hidden beast` number, since 10 + 90 + 550 + 7 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1090550736.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 1620096 + ... + 1620768.

Almost surely, 2^1090550736 is an apocalyptic number.

1090550736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1090550736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1778497280).

1090550736 is an abundant number, since it is smaller than the sum of its proper divisors (2466443824).

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

1090550736 is a wasteful number, since it uses less digits than its factorization.

1090550736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743 (or 720 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 1090550736 is about 33023.4876413743. The cubic root of 1090550736 is about 1029.3157663800.

The spelling of 1090550736 in words is "one billion, ninety million, five hundred fifty thousand, seven hundred thirty-six".