401253108 has 48 divisors (see below), whose sum is σ = 996899904. Its totient is φ = 125176320.

The previous prime is 401253007. The next prime is 401253121. The reversal of 401253108 is 801352104.

It is a super-2 number, since 2×401253108² = 322008113359319328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31491 + ... + 42357.

It is an arithmetic number, because the mean of its divisors is an integer number (20768748).

Almost surely, 2^401253108 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 401253108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498449952).

401253108 is an abundant number, since it is smaller than the sum of its proper divisors (595646796).

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

401253108 is a wasteful number, since it uses less digits than its factorization.

401253108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11072 (or 11070 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 401253108 is about 20031.3032027375. The cubic root of 401253108 is about 737.5749125474.

The spelling of 401253108 in words is "four hundred one million, two hundred fifty-three thousand, one hundred eight".