1342640884 has 24 divisors (see below), whose sum is σ = 2540884808. Its totient is φ = 617103360.

The previous prime is 1342640879. The next prime is 1342640911. The reversal of 1342640884 is 4880462431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 337750884 + 1004890000 = 18378^2 + 31700^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41037 + ... + 66100.

Almost surely, 2^1342640884 is an apocalyptic number.

It is an amenable number.

1342640884 is a deficient number, since it is larger than the sum of its proper divisors (1198243924).

1342640884 is a wasteful number, since it uses less digits than its factorization.

1342640884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107395 (or 107393 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 1342640884 is about 36642.0644069081. The cubic root of 1342640884 is about 1103.1975512411.

The spelling of 1342640884 in words is "one billion, three hundred forty-two million, six hundred forty thousand, eight hundred eighty-four".