1042257408 has 40 divisors (see below), whose sum is σ = 2776642968. Its totient is φ = 347418624.

The previous prime is 1042257379. The next prime is 1042257409. The reversal of 1042257408 is 8047522401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042257409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337741 + ... + 340812.

Almost surely, 2^1042257408 is an apocalyptic number.

It is an amenable number.

1042257408 is an abundant number, since it is smaller than the sum of its proper divisors (1734385560).

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

1042257408 is an frugal number, since it uses more digits than its factorization.

1042257408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678574 (or 678558 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 1042257408 is about 32284.0116466340. The cubic root of 1042257408 is about 1013.8919234819.

Adding to 1042257408 its reverse (8047522401), we get a palindrome (9089779809).

The spelling of 1042257408 in words is "one billion, forty-two million, two hundred fifty-seven thousand, four hundred eight".