450933156378 has 32 divisors (see below), whose sum is σ = 1010941603200. Its totient is φ = 148980863808.

The previous prime is 450933156371. The next prime is 450933156383. The reversal of 450933156378 is 873651339054.

450933156378 is a `hidden beast` number, since 4 + 5 + 0 + 9 + 3 + 3 + 1 + 563 + 78 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (450933156371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36943518 + ... + 36955721.

It is an arithmetic number, because the mean of its divisors is an integer number (31591925100).

Almost surely, 2^450933156378 is an apocalyptic number.

450933156378 is an abundant number, since it is smaller than the sum of its proper divisors (560008446822).

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

450933156378 is a wasteful number, since it uses less digits than its factorization.

450933156378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73899363 (or 73899357 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 54.

The spelling of 450933156378 in words is "four hundred fifty billion, nine hundred thirty-three million, one hundred fifty-six thousand, three hundred seventy-eight".