3914778402480 has 160 divisors (see below), whose sum is σ = 13239766315008. Its totient is φ = 948987187200.

The previous prime is 3914778402391. The next prime is 3914778402481. The reversal of 3914778402480 is 842048774193.

It is a self number, because there is not a number n which added to its sum of digits gives 3914778402480.

It is not an unprimeable number, because it can be changed into a prime (3914778402481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85769265 + ... + 85814895.

Almost surely, 2^{3914778402480} is an apocalyptic number.

3914778402480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3914778402480 is an abundant number, since it is smaller than the sum of its proper divisors (9324987912528).

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

3914778402480 is a wasteful number, since it uses less digits than its factorization.

3914778402480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78155 (or 78149 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 57.

The spelling of 3914778402480 in words is "three trillion, nine hundred fourteen billion, seven hundred seventy-eight million, four hundred two thousand, four hundred eighty".