1040202140 has 24 divisors (see below), whose sum is σ = 2279400480. Its totient is φ = 397990208.

The previous prime is 1040202077. The next prime is 1040202157. The reversal of 1040202140 is 412020401.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1130195 + ... + 1131114.

It is an arithmetic number, because the mean of its divisors is an integer number (94975020).

Almost surely, 2^1040202140 is an apocalyptic number.

1040202140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040202140 is an abundant number, since it is smaller than the sum of its proper divisors (1239198340).

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

1040202140 is a wasteful number, since it uses less digits than its factorization.

1040202140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261341 (or 2261339 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1040202140 is about 32252.1648885776. The cubic root of 1040202140 is about 1013.2250406069.

Adding to 1040202140 its reverse (412020401), we get a palindrome (1452222541).

The spelling of 1040202140 in words is "one billion, forty million, two hundred two thousand, one hundred forty".