3505212090 has 32 divisors (see below), whose sum is σ = 9347232960. Its totient is φ = 934723152.

The previous prime is 3505212089. The next prime is 3505212091. The reversal of 3505212090 is 902125053.

3505212090 is a `hidden beast` number, since 3 + 50 + 521 + 2 + 0 + 90 = 666.

It is an interprime number because it is at equal distance from previous prime (3505212089) and next prime (3505212091).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3505212091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6490864 + ... + 6491403.

It is an arithmetic number, because the mean of its divisors is an integer number (292101030).

Almost surely, 2^3505212090 is an apocalyptic number.

3505212090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3505212090 is an abundant number, since it is smaller than the sum of its proper divisors (5842020870).

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

3505212090 is a wasteful number, since it uses less digits than its factorization.

3505212090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12982283 (or 12982277 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 3505212090 is about 59204.8316440474. The cubic root of 3505212090 is about 1519.0477776123.

The spelling of 3505212090 in words is "three billion, five hundred five million, two hundred twelve thousand, ninety".