42878306082454 has 16 divisors (see below), whose sum is σ = 67114180458720. Its totient is φ = 20506921209280.

The previous prime is 42878306082413. The next prime is 42878306082511. The reversal of 42878306082454 is 45428060387824.

It is a happy number.

It is a super-2 number, since 2×42878306082454² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42878306082392 and 42878306082401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8475762 + ... + 12553690.

It is an arithmetic number, because the mean of its divisors is an integer number (4194636278670).

Almost surely, 2^{42878306082454} is an apocalyptic number.

42878306082454 is a deficient number, since it is larger than the sum of its proper divisors (24235874376266).

42878306082454 is a wasteful number, since it uses less digits than its factorization.

42878306082454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4306535.

The product of its (nonzero) digits is 82575360, while the sum is 61.

The spelling of 42878306082454 in words is "forty-two trillion, eight hundred seventy-eight billion, three hundred six million, eighty-two thousand, four hundred fifty-four".