474149781220 has 48 divisors (see below), whose sum is σ = 997989205248. Its totient is φ = 189226920960.

The previous prime is 474149781191. The next prime is 474149781229. The reversal of 474149781220 is 22187941474.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (474149781229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35149317 + ... + 35162803.

It is an arithmetic number, because the mean of its divisors is an integer number (20791441776).

Almost surely, 2^474149781220 is an apocalyptic number.

It is an amenable number.

474149781220 is an abundant number, since it is smaller than the sum of its proper divisors (523839424028).

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

474149781220 is a wasteful number, since it uses less digits than its factorization.

474149781220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17380 (or 17378 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 49.

The spelling of 474149781220 in words is "four hundred seventy-four billion, one hundred forty-nine million, seven hundred eighty-one thousand, two hundred twenty".