1481261880 has 64 divisors (see below), whose sum is σ = 5078615040. Its totient is φ = 338573952.

The previous prime is 1481261813. The next prime is 1481261891. The reversal of 1481261880 is 881621841.

It is a super-2 number, since 2×1481261880² = 4388273514282268800, which contains 22 as substring.

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, 880864 + ... + 882543.

It is an arithmetic number, because the mean of its divisors is an integer number (79353360).

Almost surely, 2^1481261880 is an apocalyptic number.

1481261880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1481261880 is an abundant number, since it is smaller than the sum of its proper divisors (3597353160).

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

1481261880 is a wasteful number, since it uses less digits than its factorization.

1481261880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763428 (or 1763424 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 39.

The square root of 1481261880 is about 38487.1651333272. The cubic root of 1481261880 is about 1139.9276346801.

The spelling of 1481261880 in words is "one billion, four hundred eighty-one million, two hundred sixty-one thousand, eight hundred eighty".