1194038814432 has 48 divisors (see below), whose sum is σ = 3299317781760. Its totient is φ = 377064888192.

The previous prime is 1194038814431. The next prime is 1194038814439. The reversal of 1194038814432 is 2344188304911.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1194038814432² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1194038814431) 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, 327311448 + ... + 327315095.

It is an arithmetic number, because the mean of its divisors is an integer number (68735787120).

Almost surely, 2^{1194038814432} is an apocalyptic number.

1194038814432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1194038814432 is an abundant number, since it is smaller than the sum of its proper divisors (2105278967328).

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

1194038814432 is a wasteful number, since it uses less digits than its factorization.

1194038814432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654626575 (or 654626567 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 1194038814432 in words is "one trillion, one hundred ninety-four billion, thirty-eight million, eight hundred fourteen thousand, four hundred thirty-two".