3914778400926 has 32 divisors (see below), whose sum is σ = 8195745189888. Its totient is φ = 1244252692320.

The previous prime is 3914778400921. The next prime is 3914778400927. The reversal of 3914778400926 is 6290048774193.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3914778400926.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3914778400921) 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, 44700670 + ... + 44788161.

It is an arithmetic number, because the mean of its divisors is an integer number (256117037184).

Almost surely, 2^{3914778400926} is an apocalyptic number.

3914778400926 is an abundant number, since it is smaller than the sum of its proper divisors (4280966788962).

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

3914778400926 is a wasteful number, since it uses less digits than its factorization.

3914778400926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89489176.

The product of its (nonzero) digits is 18289152, while the sum is 60.

The spelling of 3914778400926 in words is "three trillion, nine hundred fourteen billion, seven hundred seventy-eight million, four hundred thousand, nine hundred twenty-six".