1099528404990 has 64 divisors (see below), whose sum is σ = 2806087841856. Its totient is φ = 274775662592.

The previous prime is 1099528404979. The next prime is 1099528405013. The reversal of 1099528404990 is 994048259901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4507647 + ... + 4745306.

It is an arithmetic number, because the mean of its divisors is an integer number (43845122529).

Almost surely, 2^{1099528404990} is an apocalyptic number.

1099528404990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1099528404990 is an abundant number, since it is smaller than the sum of its proper divisors (1706559436866).

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

1099528404990 is a wasteful number, since it uses less digits than its factorization.

1099528404990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9253213.

The product of its (nonzero) digits is 8398080, while the sum is 60.

The spelling of 1099528404990 in words is "one trillion, ninety-nine billion, five hundred twenty-eight million, four hundred four thousand, nine hundred ninety".