1197402306640 has 40 divisors (see below), whose sum is σ = 2784174310368. Its totient is φ = 478924114560.

The previous prime is 1197402306637. The next prime is 1197402306643. The reversal of 1197402306640 is 466032047911.

It is an interprime number because it is at equal distance from previous prime (1197402306637) and next prime (1197402306643).

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1197402306643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484495 + ... + 1621585.

Almost surely, 2^{1197402306640} is an apocalyptic number.

1197402306640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1197402306640 is an abundant number, since it is smaller than the sum of its proper divisors (1586772003728).

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

1197402306640 is a wasteful number, since it uses less digits than its factorization.

1197402306640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150267 (or 1150261 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 1197402306640 in words is "one trillion, one hundred ninety-seven billion, four hundred two million, three hundred six thousand, six hundred forty".