402664240046 has 8 divisors (see below), whose sum is σ = 605431032024. Its totient is φ = 200853896040.

The previous prime is 402664240021. The next prime is 402664240081. The reversal of 402664240046 is 640042466204.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 402664239991 and 402664240009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239110940 + ... + 239112623.

It is an arithmetic number, because the mean of its divisors is an integer number (75678879003).

Almost surely, 2^402664240046 is an apocalyptic number.

402664240046 is a deficient number, since it is larger than the sum of its proper divisors (202766791978).

402664240046 is a wasteful number, since it uses less digits than its factorization.

402664240046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478223986.

The product of its (nonzero) digits is 221184, while the sum is 38.

The spelling of 402664240046 in words is "four hundred two billion, six hundred sixty-four million, two hundred forty thousand, forty-six".