1901334880 has 24 divisors (see below), whose sum is σ = 4491904032. Its totient is φ = 760533888.

The previous prime is 1901334839. The next prime is 1901334881. The reversal of 1901334880 is 884331091.

It is a super-2 number, since 2×1901334880² = 7230148651809228800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1901334881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5941512 + ... + 5941831.

It is an arithmetic number, because the mean of its divisors is an integer number (187162668).

Almost surely, 2^1901334880 is an apocalyptic number.

1901334880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1901334880 is an abundant number, since it is smaller than the sum of its proper divisors (2590569152).

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

1901334880 is a wasteful number, since it uses less digits than its factorization.

1901334880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11883358 (or 11883350 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 1901334880 is about 43604.2988706389. The cubic root of 1901334880 is about 1238.8523199882.

The spelling of 1901334880 in words is "one billion, nine hundred one million, three hundred thirty-four thousand, eight hundred eighty".