401932044 has 60 divisors (see below), whose sum is σ = 1052705808. Its totient is φ = 133725600.

The previous prime is 401932033. The next prime is 401932049. The reversal of 401932044 is 440239104.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 401931999 and 401932017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401932049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 265249 + ... + 266759.

Almost surely, 2^401932044 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 401932044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526352904).

401932044 is an abundant number, since it is smaller than the sum of its proper divisors (650773764).

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

401932044 is a wasteful number, since it uses less digits than its factorization.

401932044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2348 (or 2337 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 401932044 is about 20048.2429155275. The cubic root of 401932044 is about 737.9906800330.

It can be divided in two parts, 4019 and 32044, that added together give a palindrome (36063).

The spelling of 401932044 in words is "four hundred one million, nine hundred thirty-two thousand, forty-four".