202140236040 has 64 divisors (see below), whose sum is σ = 642092520960. Its totient is φ = 50733235200.

The previous prime is 202140235933. The next prime is 202140236063. The reversal of 202140236040 is 40632041202.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 202140236040.

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, 49542136 + ... + 49546215.

It is an arithmetic number, because the mean of its divisors is an integer number (10032695640).

Almost surely, 2^202140236040 is an apocalyptic number.

202140236040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202140236040 is an abundant number, since it is smaller than the sum of its proper divisors (439952284920).

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

202140236040 is a wasteful number, since it uses less digits than its factorization.

202140236040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99088382 (or 99088378 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 202140236040 its reverse (40632041202), we get a palindrome (242772277242).

The spelling of 202140236040 in words is "two hundred two billion, one hundred forty million, two hundred thirty-six thousand, forty".