4457978280408 has 16 divisors (see below), whose sum is σ = 11144945701080. Its totient is φ = 1485992760128.

The previous prime is 4457978280403. The next prime is 4457978280499. The reversal of 4457978280408 is 8040828797544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4457978280401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92874547485 + ... + 92874547532.

Almost surely, 2^{4457978280408} is an apocalyptic number.

It is an amenable number.

4457978280408 is an abundant number, since it is smaller than the sum of its proper divisors (6686967420672).

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

4457978280408 is a wasteful number, since it uses less digits than its factorization.

4457978280408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185749095026 (or 185749095022 counting only the distinct ones).

The product of its (nonzero) digits is 144506880, while the sum is 66.

The spelling of 4457978280408 in words is "four trillion, four hundred fifty-seven billion, nine hundred seventy-eight million, two hundred eighty thousand, four hundred eight".