1040201040 has 40 divisors (see below), whose sum is σ = 3224623968. Its totient is φ = 277386880.

The previous prime is 1040201011. The next prime is 1040201081. The reversal of 1040201040 is 401020401.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2166846 + ... + 2167325.

Almost surely, 2^1040201040 is an apocalyptic number.

1040201040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040201040 is an abundant number, since it is smaller than the sum of its proper divisors (2184422928).

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

1040201040 is a wasteful number, since it uses less digits than its factorization.

1040201040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4334187 (or 4334181 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1040201040 is about 32252.1478354543. The cubic root of 1040201040 is about 1013.2246834494.

Adding to 1040201040 its reverse (401020401), we get a palindrome (1441221441).

The spelling of 1040201040 in words is "one billion, forty million, two hundred one thousand, forty".