380400623834 has 64 divisors (see below), whose sum is σ = 745288169472. Its totient is φ = 141199080000.

The previous prime is 380400623831. The next prime is 380400623843. The reversal of 380400623834 is 438326004083.

It is a super-2 number, since 2×380400623834² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 380400623791 and 380400623800.

It is not an unprimeable number, because it can be changed into a prime (380400623831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 675104 + ... + 1102980.

It is an arithmetic number, because the mean of its divisors is an integer number (11645127648).

Almost surely, 2^380400623834 is an apocalyptic number.

380400623834 is a deficient number, since it is larger than the sum of its proper divisors (364887545638).

380400623834 is a wasteful number, since it uses less digits than its factorization.

380400623834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428171.

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 380400623834 in words is "three hundred eighty billion, four hundred million, six hundred twenty-three thousand, eight hundred thirty-four".