1880481540 has 48 divisors (see below), whose sum is σ = 6017542272. Its totient is φ = 429824256.

The previous prime is 1880481517. The next prime is 1880481557. The reversal of 1880481540 is 451840881.

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, 2238249 + ... + 2239088.

It is an arithmetic number, because the mean of its divisors is an integer number (125365464).

Almost surely, 2^1880481540 is an apocalyptic number.

1880481540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1880481540 is an abundant number, since it is smaller than the sum of its proper divisors (4137060732).

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

1880481540 is a wasteful number, since it uses less digits than its factorization.

1880481540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4477356 (or 4477354 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 39.

The square root of 1880481540 is about 43364.5193677965. The cubic root of 1880481540 is about 1234.3065249544.

The spelling of 1880481540 in words is "one billion, eight hundred eighty million, four hundred eighty-one thousand, five hundred forty".