1948953880 has 64 divisors (see below), whose sum is σ = 4764902400. Its totient is φ = 714718080.

The previous prime is 1948953871. The next prime is 1948953893. The reversal of 1948953880 is 883598491.

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, 17802 + ... + 64921.

It is an arithmetic number, because the mean of its divisors is an integer number (74451600).

Almost surely, 2^1948953880 is an apocalyptic number.

1948953880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1948953880 is an abundant number, since it is smaller than the sum of its proper divisors (2815948520).

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

1948953880 is a wasteful number, since it uses less digits than its factorization.

1948953880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82784 (or 82780 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 55.

The square root of 1948953880 is about 44146.9577660794. The cubic root of 1948953880 is about 1249.1095268634.

The spelling of 1948953880 in words is "one billion, nine hundred forty-eight million, nine hundred fifty-three thousand, eight hundred eighty".