402240440022 has 32 divisors (see below), whose sum is σ = 821453851872. Its totient is φ = 131278132224.

The previous prime is 402240439973. The next prime is 402240440039. The reversal of 402240440022 is 220044042204.

It is a junction number, because it is equal to n+sod(n) for n = 402240439974 and 402240440001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3291663 + ... + 3411674.

It is an arithmetic number, because the mean of its divisors is an integer number (25670432871).

Almost surely, 2^402240440022 is an apocalyptic number.

402240440022 is an abundant number, since it is smaller than the sum of its proper divisors (419213411850).

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

402240440022 is a wasteful number, since it uses less digits than its factorization.

402240440022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6703552.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 402240440022 its reverse (220044042204), we get a palindrome (622284482226).

The spelling of 402240440022 in words is "four hundred two billion, two hundred forty million, four hundred forty thousand, twenty-two".