4345981997480 has 16 divisors (see below), whose sum is σ = 9778459494420. Its totient is φ = 1738392798976.

The previous prime is 4345981997477. The next prime is 4345981997509. The reversal of 4345981997480 is 847991895434.

It can be written as a sum of positive squares in 2 ways, for example, as 4100681700196 + 245300297284 = 2025014^2 + 495278^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54324774929 + ... + 54324775008.

Almost surely, 2^{4345981997480} is an apocalyptic number.

4345981997480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4345981997480 is an abundant number, since it is smaller than the sum of its proper divisors (5432477496940).

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

4345981997480 is a wasteful number, since it uses less digits than its factorization.

4345981997480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108649549948 (or 108649549944 counting only the distinct ones).

The product of its (nonzero) digits is 313528320, while the sum is 71.

The spelling of 4345981997480 in words is "four trillion, three hundred forty-five billion, nine hundred eighty-one million, nine hundred ninety-seven thousand, four hundred eighty".