1042071340 has 24 divisors (see below), whose sum is σ = 2303526960. Its totient is φ = 394890048.

The previous prime is 1042071337. The next prime is 1042071341. The reversal of 1042071340 is 431702401.

It is not an unprimeable number, because it can be changed into a prime (1042071341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1370767 + ... + 1371526.

It is an arithmetic number, because the mean of its divisors is an integer number (95980290).

Almost surely, 2^1042071340 is an apocalyptic number.

1042071340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042071340 is an abundant number, since it is smaller than the sum of its proper divisors (1261455620).

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

1042071340 is a wasteful number, since it uses less digits than its factorization.

1042071340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742321 (or 2742319 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1042071340 is about 32281.1297819640. The cubic root of 1042071340 is about 1013.8315851980.

Adding to 1042071340 its reverse (431702401), we get a palindrome (1473773741).

The spelling of 1042071340 in words is "one billion, forty-two million, seventy-one thousand, three hundred forty".