425780340078 has 32 divisors (see below), whose sum is σ = 858351168000. Its totient is φ = 140796420800.

The previous prime is 425780340071. The next prime is 425780340091. The reversal of 425780340078 is 870043087524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425780340071) 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, 1059403 + ... + 1404953.

It is an arithmetic number, because the mean of its divisors is an integer number (26823474000).

Almost surely, 2^425780340078 is an apocalyptic number.

425780340078 is an abundant number, since it is smaller than the sum of its proper divisors (432570827922).

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

425780340078 is a wasteful number, since it uses less digits than its factorization.

425780340078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347192.

The product of its (nonzero) digits is 1505280, while the sum is 48.

The spelling of 425780340078 in words is "four hundred twenty-five billion, seven hundred eighty million, three hundred forty thousand, seventy-eight".