1040140232 has 16 divisors (see below), whose sum is σ = 1950612300. Its totient is φ = 519976960.

The previous prime is 1040140177. The next prime is 1040140267. The reversal of 1040140232 is 2320410401.

It can be written as a sum of positive squares in 2 ways, for example, as 897242116 + 142898116 = 29954^2 + 11954^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1040140232.

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, 67244 + ... + 81252.

Almost surely, 2^1040140232 is an apocalyptic number.

It is an amenable number.

1040140232 is a deficient number, since it is larger than the sum of its proper divisors (910472068).

1040140232 is a wasteful number, since it uses less digits than its factorization.

1040140232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23296 (or 23292 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1040140232 is about 32251.2051247701. The cubic root of 1040140232 is about 1013.2049393920.

Adding to 1040140232 its reverse (2320410401), we get a palindrome (3360550633).

The spelling of 1040140232 in words is "one billion, forty million, one hundred forty thousand, two hundred thirty-two".