1377842480 has 40 divisors (see below), whose sum is σ = 3661125792. Its totient is φ = 472402944.

The previous prime is 1377842467. The next prime is 1377842491. The reversal of 1377842480 is 842487731.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1229657 + ... + 1230776.

Almost surely, 2^1377842480 is an apocalyptic number.

1377842480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1377842480 is an abundant number, since it is smaller than the sum of its proper divisors (2283283312).

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

1377842480 is a wasteful number, since it uses less digits than its factorization.

1377842480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460453 (or 2460447 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 44.

The square root of 1377842480 is about 37119.3006399636. The cubic root of 1377842480 is about 1112.7557747131.

The spelling of 1377842480 in words is "one billion, three hundred seventy-seven million, eight hundred forty-two thousand, four hundred eighty".