378429322442 has 4 divisors (see below), whose sum is σ = 567643983666. Its totient is φ = 189214661220.

The previous prime is 378429322379. The next prime is 378429322471. The reversal of 378429322442 is 244223924873.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 272432846401 + 105996476041 = 521951^2 + 325571^2 .

It is a super-5 number, since 5×378429322442⁵ (a number of 59 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94607330609 + ... + 94607330612.

Almost surely, 2^378429322442 is an apocalyptic number.

378429322442 is a deficient number, since it is larger than the sum of its proper divisors (189214661224).

378429322442 is a wasteful number, since it uses less digits than its factorization.

378429322442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189214661223.

The product of its digits is 4644864, while the sum is 50.

The spelling of 378429322442 in words is "three hundred seventy-eight billion, four hundred twenty-nine million, three hundred twenty-two thousand, four hundred forty-two".