378040034 has 4 divisors (see below), whose sum is σ = 567060054. Its totient is φ = 189020016.

The previous prime is 378040007. The next prime is 378040051. The reversal of 378040034 is 430040873.

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., 349577809 + 28462225 = 18697^2 + 5335^2 .

It is a junction number, because it is equal to n+sod(n) for n = 378039979 and 378040006.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94510007 + ... + 94510010.

Almost surely, 2^378040034 is an apocalyptic number.

378040034 is a deficient number, since it is larger than the sum of its proper divisors (189020020).

378040034 is a wasteful number, since it uses less digits than its factorization.

378040034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189020019.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 378040034 is about 19443.2516313501. The cubic root of 378040034 is about 723.0682041809.

The spelling of 378040034 in words is "three hundred seventy-eight million, forty thousand, thirty-four".