402015041 has 4 divisors (see below), whose sum is σ = 411364272. Its totient is φ = 392665812.

The previous prime is 402015013. The next prime is 402015043. The reversal of 402015041 is 140510204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402015041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402015043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4674551 + ... + 4674636.

It is an arithmetic number, because the mean of its divisors is an integer number (102841068).

Almost surely, 2^402015041 is an apocalyptic number.

It is an amenable number.

402015041 is a deficient number, since it is larger than the sum of its proper divisors (9349231).

402015041 is an equidigital number, since it uses as much as digits as its factorization.

402015041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9349230.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 402015041 is about 20050.3127407031. The cubic root of 402015041 is about 738.0414736915.

Adding to 402015041 its reverse (140510204), we get a palindrome (542525245).

The spelling of 402015041 in words is "four hundred two million, fifteen thousand, forty-one".