402661041 has 16 divisors (see below), whose sum is σ = 551785920. Its totient is φ = 261031680.

The previous prime is 402661013. The next prime is 402661067. The reversal of 402661041 is 140166204.

It is not a de Polignac number, because 402661041 - 2⁷ = 402660913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402661141) 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, 33270 + ... + 43728.

It is an arithmetic number, because the mean of its divisors is an integer number (34486620).

Almost surely, 2^402661041 is an apocalyptic number.

402661041 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

402661041 is a deficient number, since it is larger than the sum of its proper divisors (149124879).

402661041 is a wasteful number, since it uses less digits than its factorization.

402661041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10816.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 402661041 is about 20066.4157487081. The cubic root of 402661041 is about 738.4365829900.

The spelling of 402661041 in words is "four hundred two million, six hundred sixty-one thousand, forty-one".