12377453480 has 128 divisors (see below), whose sum is σ = 33571065600. Its totient is φ = 4012167168.

The previous prime is 12377453447. The next prime is 12377453497. The reversal of 12377453480 is 8435477321.

It is a super-2 number, since 2×12377453480² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2961152 + ... + 2965328.

It is an arithmetic number, because the mean of its divisors is an integer number (262273950).

Almost surely, 2^12377453480 is an apocalyptic number.

12377453480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12377453480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16785532800).

12377453480 is an abundant number, since it is smaller than the sum of its proper divisors (21193612120).

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

12377453480 is a wasteful number, since it uses less digits than its factorization.

12377453480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4771 (or 4767 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 12377453480 in words is "twelve billion, three hundred seventy-seven million, four hundred fifty-three thousand, four hundred eighty".