1381740480 has 84 divisors (see below), whose sum is σ = 4752621432. Its totient is φ = 368463360.

The previous prime is 1381740473. The next prime is 1381740523. The reversal of 1381740480 is 840471831.

1381740480 is a `hidden beast` number, since 1 + 3 + 8 + 174 + 0 + 480 = 666.

1381740480 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237006 + ... + 242765.

Almost surely, 2^1381740480 is an apocalyptic number.

1381740480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1381740480 is an abundant number, since it is smaller than the sum of its proper divisors (3370880952).

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

1381740480 is a wasteful number, since it uses less digits than its factorization.

1381740480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479794 (or 479781 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 1381740480 is about 37171.7699336472. The cubic root of 1381740480 is about 1113.8041379134.

The spelling of 1381740480 in words is "one billion, three hundred eighty-one million, seven hundred forty thousand, four hundred eighty".