1040212439 has 24 divisors (see below), whose sum is σ = 1270832640. Its totient is φ = 833867136.

The previous prime is 1040212429. The next prime is 1040212447. The reversal of 1040212439 is 9342120401.

It is not a de Polignac number, because 1040212439 - 2²⁴ = 1023435223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040212429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 336302 + ... + 339380.

It is an arithmetic number, because the mean of its divisors is an integer number (52951360).

Almost surely, 2^1040212439 is an apocalyptic number.

1040212439 is a deficient number, since it is larger than the sum of its proper divisors (230620201).

1040212439 is a wasteful number, since it uses less digits than its factorization.

1040212439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287 (or 3270 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1040212439 is about 32252.3245518831. The cubic root of 1040212439 is about 1013.2283845628.

The spelling of 1040212439 in words is "one billion, forty million, two hundred twelve thousand, four hundred thirty-nine".