402441011 has 16 divisors (see below), whose sum is σ = 465174528. Its totient is φ = 341042400.

The previous prime is 402441007. The next prime is 402441023. The reversal of 402441011 is 110144204.

It is a cyclic number.

It is not a de Polignac number, because 402441011 - 2² = 402441007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402441041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241166 + ... + 242828.

It is an arithmetic number, because the mean of its divisors is an integer number (29073408).

Almost surely, 2^402441011 is an apocalyptic number.

402441011 is a deficient number, since it is larger than the sum of its proper divisors (62733517).

402441011 is a wasteful number, since it uses less digits than its factorization.

402441011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 402441011 is about 20060.9324558955. The cubic root of 402441011 is about 738.3020547817.

Adding to 402441011 its reverse (110144204), we get a palindrome (512585215).

The spelling of 402441011 in words is "four hundred two million, four hundred forty-one thousand, eleven".