1547114980 has 24 divisors (see below), whose sum is σ = 3318069888. Its totient is φ = 605678688.

The previous prime is 1547114917. The next prime is 1547114981. The reversal of 1547114980 is 894117451.

It is a super-2 number, since 2×1547114980² = 4787129522680800800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1547114981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 821994 + ... + 823873.

It is an arithmetic number, because the mean of its divisors is an integer number (138252912).

Almost surely, 2^1547114980 is an apocalyptic number.

1547114980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1547114980 is an abundant number, since it is smaller than the sum of its proper divisors (1770954908).

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

1547114980 is a wasteful number, since it uses less digits than its factorization.

1547114980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645923 (or 1645921 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 1547114980 is about 39333.3825140935. The cubic root of 1547114980 is about 1156.5760559685.

The spelling of 1547114980 in words is "one billion, five hundred forty-seven million, one hundred fourteen thousand, nine hundred eighty".