990270335090 has 32 divisors (see below), whose sum is σ = 1794247457904. Its totient is φ = 393500701440.

The previous prime is 990270335081. The next prime is 990270335101. The reversal of 990270335090 is 90533072099.

It can be written as a sum of positive squares in 8 ways, for example, as 886910014081 + 103360321009 = 941759^2 + 321497^2 .

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, 921932 + ... + 1682408.

Almost surely, 2^990270335090 is an apocalyptic number.

990270335090 is a deficient number, since it is larger than the sum of its proper divisors (803977122814).

990270335090 is a wasteful number, since it uses less digits than its factorization.

990270335090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761342.

The product of its (nonzero) digits is 459270, while the sum is 47.

The spelling of 990270335090 in words is "nine hundred ninety billion, two hundred seventy million, three hundred thirty-five thousand, ninety".