1342250640 has 120 divisors (see below), whose sum is σ = 4772928888. Its totient is φ = 336875520.

The previous prime is 1342250639. The next prime is 1342250641. The reversal of 1342250640 is 460522431.

1342250640 is a `hidden beast` number, since 13 + 4 + 2 + 2 + 5 + 0 + 640 = 666.

It is an interprime number because it is at equal distance from previous prime (1342250639) and next prime (1342250641).

It can be written as a sum of positive squares in 4 ways, for example, as 733543056 + 608707584 = 27084^2 + 24672^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342250641) 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, 42591 + ... + 67070.

Almost surely, 2^1342250640 is an apocalyptic number.

1342250640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1342250640 is an abundant number, since it is smaller than the sum of its proper divisors (3430678248).

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

1342250640 is a wasteful number, since it uses less digits than its factorization.

1342250640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109697 (or 109688 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1342250640 is about 36636.7389378476. The cubic root of 1342250640 is about 1103.0906579416.

The spelling of 1342250640 in words is "one billion, three hundred forty-two million, two hundred fifty thousand, six hundred forty".