2978432043356 has 48 divisors (see below), whose sum is σ = 6501210680832. Its totient is φ = 1159925659200.

The previous prime is 2978432043347. The next prime is 2978432043359. The reversal of 2978432043356 is 6533402348792.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2978432043359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1380431 + ... + 2804006.

It is an arithmetic number, because the mean of its divisors is an integer number (135441889184).

Almost surely, 2^{2978432043356} is an apocalyptic number.

It is an amenable number.

2978432043356 is an abundant number, since it is smaller than the sum of its proper divisors (3522778637476).

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

2978432043356 is a wasteful number, since it uses less digits than its factorization.

2978432043356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4186770 (or 4186768 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 56.

The spelling of 2978432043356 in words is "two trillion, nine hundred seventy-eight billion, four hundred thirty-two million, forty-three thousand, three hundred fifty-six".