402061444635 has 32 divisors (see below), whose sum is σ = 677578268160. Its totient is φ = 203020190208.

The previous prime is 402061444633. The next prime is 402061444637. The reversal of 402061444635 is 536444160204.

It is an interprime number because it is at equal distance from previous prime (402061444633) and next prime (402061444637).

It is not a de Polignac number, because 402061444635 - 2¹ = 402061444633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402061444593 and 402061444602.

It is not an unprimeable number, because it can be changed into a prime (402061444633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19059 + ... + 896931.

It is an arithmetic number, because the mean of its divisors is an integer number (21174320880).

Almost surely, 2^402061444635 is an apocalyptic number.

402061444635 is a deficient number, since it is larger than the sum of its proper divisors (275516823525).

402061444635 is a wasteful number, since it uses less digits than its factorization.

402061444635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879507.

The product of its (nonzero) digits is 276480, while the sum is 39.

It can be divided in two parts, 40206 and 1444635, that added together give a palindrome (1484841).

The spelling of 402061444635 in words is "four hundred two billion, sixty-one million, four hundred forty-four thousand, six hundred thirty-five".