1331940470 has 32 divisors (see below), whose sum is σ = 2884204800. Its totient is φ = 432629856.

The previous prime is 1331940439. The next prime is 1331940481. The reversal of 1331940470 is 740491331.

It is a Curzon number.

It is a congruent number.

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, 499400 + ... + 502059.

It is an arithmetic number, because the mean of its divisors is an integer number (90131400).

Almost surely, 2^1331940470 is an apocalyptic number.

1331940470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331940470 is an abundant number, since it is smaller than the sum of its proper divisors (1552264330).

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

1331940470 is a wasteful number, since it uses less digits than its factorization.

1331940470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001492.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 1331940470 is about 36495.7596167007. The cubic root of 1331940470 is about 1100.2590216469.

The spelling of 1331940470 in words is "one billion, three hundred thirty-one million, nine hundred forty thousand, four hundred seventy".