401574628 has 48 divisors (see below), whose sum is σ = 867323520. Its totient is φ = 158425344.

The previous prime is 401574599. The next prime is 401574647. The reversal of 401574628 is 826475104.

It is a super-2 number, since 2×401574628² = 322524363706676768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151200 + ... + 153832.

It is an arithmetic number, because the mean of its divisors is an integer number (18069240).

Almost surely, 2^401574628 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401574628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433661760).

401574628 is an abundant number, since it is smaller than the sum of its proper divisors (465748892).

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

401574628 is a wasteful number, since it uses less digits than its factorization.

401574628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076 (or 3074 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 401574628 is about 20039.3270346087. The cubic root of 401574628 is about 737.7718636893.

The spelling of 401574628 in words is "four hundred one million, five hundred seventy-four thousand, six hundred twenty-eight".