401039330 has 16 divisors (see below), whose sum is σ = 727557120. Its totient is φ = 159152112.

The previous prime is 401039329. The next prime is 401039363. The reversal of 401039330 is 33930104.

It is a junction number, because it is equal to n+sod(n) for n = 401039296 and 401039305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156620 + ... + 159159.

It is an arithmetic number, because the mean of its divisors is an integer number (45472320).

Almost surely, 2^401039330 is an apocalyptic number.

401039330 is a deficient number, since it is larger than the sum of its proper divisors (326517790).

401039330 is a wasteful number, since it uses less digits than its factorization.

401039330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315913.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 401039330 is about 20025.9663936600. The cubic root of 401039330 is about 737.4439018902.

Adding to 401039330 its reverse (33930104), we get a palindrome (434969434).

The spelling of 401039330 in words is "four hundred one million, thirty-nine thousand, three hundred thirty".