474128831644 has 24 divisors (see below), whose sum is σ = 932400514080. Its totient is φ = 209314400064.

The previous prime is 474128831633. The next prime is 474128831669. The reversal of 474128831644 is 446138821474.

It is a super-2 number, since 2×474128831644² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 474128831591 and 474128831600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198213199 + ... + 198215590.

It is an arithmetic number, because the mean of its divisors is an integer number (38850021420).

Almost surely, 2^474128831644 is an apocalyptic number.

It is an amenable number.

474128831644 is a deficient number, since it is larger than the sum of its proper divisors (458271682436).

474128831644 is a wasteful number, since it uses less digits than its factorization.

474128831644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396428829 (or 396428827 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 52.

The spelling of 474128831644 in words is "four hundred seventy-four billion, one hundred twenty-eight million, eight hundred thirty-one thousand, six hundred forty-four".