402406501 has 8 divisors (see below), whose sum is σ = 460014464. Its totient is φ = 344828880.

The previous prime is 402406483. The next prime is 402406519. The reversal of 402406501 is 105604204.

It is an interprime number because it is at equal distance from previous prime (402406483) and next prime (402406519).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 402406501 - 2¹³ = 402398309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402406591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49216 + ... + 56806.

It is an arithmetic number, because the mean of its divisors is an integer number (57501808).

Almost surely, 2^402406501 is an apocalyptic number.

It is an amenable number.

402406501 is a deficient number, since it is larger than the sum of its proper divisors (57607963).

402406501 is an equidigital number, since it uses as much as digits as its factorization.

402406501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15171.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 402406501 is about 20060.0723079455. The cubic root of 402406501 is about 738.2809506268.

The spelling of 402406501 in words is "four hundred two million, four hundred six thousand, five hundred one".