401532030 has 48 divisors (see below), whose sum is σ = 1051983504. Its totient is φ = 106254720.

The previous prime is 401532023. The next prime is 401532031. The reversal of 401532030 is 30235104.

It is a super-2 number, since 2×401532030² = 322455942231841800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 401531994 and 401532012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401532031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5239 + ... + 28818.

It is an arithmetic number, because the mean of its divisors is an integer number (21916323).

Almost surely, 2^401532030 is an apocalyptic number.

401532030 is an abundant number, since it is smaller than the sum of its proper divisors (650451474).

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

401532030 is a wasteful number, since it uses less digits than its factorization.

401532030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34201 (or 34198 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 401532030 is about 20038.2641463775. The cubic root of 401532030 is about 737.7457757885.

Adding to 401532030 its reverse (30235104), we get a palindrome (431767134).

The spelling of 401532030 in words is "four hundred one million, five hundred thirty-two thousand, thirty".