1690052260 has 48 divisors (see below), whose sum is σ = 3826468800. Its totient is φ = 623309184.

The previous prime is 1690052251. The next prime is 1690052281. The reversal of 1690052260 is 622500961.

It is a super-2 number, since 2×1690052260² = 5712553283062215200, which contains 22 as substring.

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, 261751 + ... + 268129.

It is an arithmetic number, because the mean of its divisors is an integer number (79718100).

Almost surely, 2^1690052260 is an apocalyptic number.

1690052260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1690052260 is an abundant number, since it is smaller than the sum of its proper divisors (2136416540).

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

1690052260 is a wasteful number, since it uses less digits than its factorization.

1690052260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7420 (or 7418 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1690052260 is about 41110.2451950849. The cubic root of 1690052260 is about 1191.1507029583.

The spelling of 1690052260 in words is "one billion, six hundred ninety million, fifty-two thousand, two hundred sixty".