401535500 has 48 divisors (see below), whose sum is σ = 879924864. Its totient is φ = 160070400.

The previous prime is 401535487. The next prime is 401535517. The reversal of 401535500 is 5535104.

401535500 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×401535500² = 322461515520500000, which contains 22 as substring.

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, 167309 + ... + 169691.

It is an arithmetic number, because the mean of its divisors is an integer number (18331768).

Almost surely, 2^401535500 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 401535500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439962432).

401535500 is an abundant number, since it is smaller than the sum of its proper divisors (478389364).

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

401535500 is a wasteful number, since it uses less digits than its factorization.

401535500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2739 (or 2727 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 401535500 is about 20038.3507305367. The cubic root of 401535500 is about 737.7479009577.

The spelling of 401535500 in words is "four hundred one million, five hundred thirty-five thousand, five hundred".