1040140434 has 8 divisors (see below), whose sum is σ = 2080280880. Its totient is φ = 346713476.

The previous prime is 1040140429. The next prime is 1040140469. The reversal of 1040140434 is 4340410401.

It is a sphenic number, since it is the product of 3 distinct primes.

1040140434 is an admirable number.

It is a super-3 number, since 3×1040140434³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1040140434.

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, 86678364 + ... + 86678375.

It is an arithmetic number, because the mean of its divisors is an integer number (260035110).

Almost surely, 2^1040140434 is an apocalyptic number.

1040140434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1040140434 is a wasteful number, since it uses less digits than its factorization.

1040140434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173356744.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1040140434 is about 32251.2082564359. The cubic root of 1040140434 is about 1013.2050049817.

Adding to 1040140434 its reverse (4340410401), we get a palindrome (5380550835).

The spelling of 1040140434 in words is "one billion, forty million, one hundred forty thousand, four hundred thirty-four".