1040322040 has 16 divisors (see below), whose sum is σ = 2340724680. Its totient is φ = 416128800.

The previous prime is 1040322013. The next prime is 1040322061. The reversal of 1040322040 is 402230401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13003986 + ... + 13004065.

Almost surely, 2^1040322040 is an apocalyptic number.

1040322040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040322040 is an abundant number, since it is smaller than the sum of its proper divisors (1300402640).

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

1040322040 is a wasteful number, since it uses less digits than its factorization.

1040322040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26008062 (or 26008058 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1040322040 is about 32254.0236249681. The cubic root of 1040322040 is about 1013.2639692633.

Adding to 1040322040 its reverse (402230401), we get a palindrome (1442552441).

The spelling of 1040322040 in words is "one billion, forty million, three hundred twenty-two thousand, forty".