1179420705450 has 168 divisors, whose sum is σ = 3542086669548. Its totient is φ = 290318826240.

The previous prime is 1179420705439. The next prime is 1179420705451. The reversal of 1179420705450 is 545070249711.

1179420705450 is a `hidden beast` number, since 1 + 17 + 9 + 4 + 20 + 70 + 545 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 288894425121 + 890526280329 = 537489^2 + 943677^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 1179420705396 and 1179420705405.

It is not an unprimeable number, because it can be changed into a prime (1179420705451) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 770659 + ... + 1718358.

Almost surely, 2^{1179420705450} is an apocalyptic number.

1179420705450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1179420705450 is an abundant number, since it is smaller than the sum of its proper divisors (2362665964098).

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

1179420705450 is a wasteful number, since it uses less digits than its factorization.

1179420705450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489060 (or 2489040 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The spelling of 1179420705450 in words is "one trillion, one hundred seventy-nine billion, four hundred twenty million, seven hundred five thousand, four hundred fifty".