1090660434 has 32 divisors (see below), whose sum is σ = 2257609536. Its totient is φ = 351022080.

The previous prime is 1090660429. The next prime is 1090660451. The reversal of 1090660434 is 4340660901.

It is a junction number, because it is equal to n+sod(n) for n = 1090660395 and 1090660404.

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, 1009 + ... + 46715.

It is an arithmetic number, because the mean of its divisors is an integer number (70550298).

Almost surely, 2^1090660434 is an apocalyptic number.

1090660434 is an abundant number, since it is smaller than the sum of its proper divisors (1166949102).

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

1090660434 is a wasteful number, since it uses less digits than its factorization.

1090660434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45850.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 1090660434 is about 33025.1485083716. The cubic root of 1090660434 is about 1029.3502780236.

The spelling of 1090660434 in words is "one billion, ninety million, six hundred sixty thousand, four hundred thirty-four".