402446024022 has 32 divisors (see below), whose sum is σ = 928315872000. Its totient is φ = 113929672608.

The previous prime is 402446024021. The next prime is 402446024033. The reversal of 402446024022 is 220420644204.

It is a super-2 number, since 2×402446024022² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402446024021) 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, 43949772 + ... + 43958927.

It is an arithmetic number, because the mean of its divisors is an integer number (29009871000).

Almost surely, 2^402446024022 is an apocalyptic number.

402446024022 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

402446024022 is an abundant number, since it is smaller than the sum of its proper divisors (525869847978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402446024022 is a wasteful number, since it uses less digits than its factorization.

402446024022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87908820.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 402446024022 its reverse (220420644204), we get a palindrome (622866668226).

The spelling of 402446024022 in words is "four hundred two billion, four hundred forty-six million, twenty-four thousand, twenty-two".