378964793040 has 80 divisors (see below), whose sum is σ = 1188945027648. Its totient is φ = 99839715328.

The previous prime is 378964793027. The next prime is 378964793057. The reversal of 378964793040 is 40397469873.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×378964793040² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9492249 + ... + 9532088.

Almost surely, 2^378964793040 is an apocalyptic number.

378964793040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

378964793040 is an abundant number, since it is smaller than the sum of its proper divisors (809980234608).

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

378964793040 is a wasteful number, since it uses less digits than its factorization.

378964793040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19024436 (or 19024430 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 60.

The spelling of 378964793040 in words is "three hundred seventy-eight billion, nine hundred sixty-four million, seven hundred ninety-three thousand, forty".