202420444040 has 32 divisors (see below), whose sum is σ = 455463423360. Its totient is φ = 80965080000.

The previous prime is 202420443991. The next prime is 202420444067. The reversal of 202420444040 is 40444024202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1164815 + ... + 1327265.

It is an arithmetic number, because the mean of its divisors is an integer number (14233231980).

Almost surely, 2^202420444040 is an apocalyptic number.

202420444040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202420444040 is an abundant number, since it is smaller than the sum of its proper divisors (253042979320).

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

202420444040 is a wasteful number, since it uses less digits than its factorization.

202420444040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193613 (or 193609 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 202420444040 its reverse (40444024202), we get a palindrome (242864468242).

The spelling of 202420444040 in words is "two hundred two billion, four hundred twenty million, four hundred forty-four thousand, forty".