378401943735 has 48 divisors (see below), whose sum is σ = 690341398656. Its totient is φ = 198802172448.

The previous prime is 378401943713. The next prime is 378401943791. The reversal of 378401943735 is 537349104873.

378401943735 is a `hidden beast` number, since 3 + 7 + 84 + 0 + 194 + 373 + 5 = 666.

It is not a de Polignac number, because 378401943735 - 2¹⁶ = 378401878199 is a prime.

It is a super-2 number, since 2×378401943735² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2242789 + ... + 2405598.

It is an arithmetic number, because the mean of its divisors is an integer number (14382112472).

Almost surely, 2^378401943735 is an apocalyptic number.

378401943735 is a deficient number, since it is larger than the sum of its proper divisors (311939454921).

378401943735 is an equidigital number, since it uses as much as digits as its factorization.

378401943735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4648474 (or 4648462 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The spelling of 378401943735 in words is "three hundred seventy-eight billion, four hundred one million, nine hundred forty-three thousand, seven hundred thirty-five".