42428060480840 has 32 divisors (see below), whose sum is σ = 98043220844280. Its totient is φ = 16512542456832.

The previous prime is 42428060480821. The next prime is 42428060480857. The reversal of 42428060480840 is 4808406082424.

It can be written as a sum of positive squares in 4 ways, for example, as 34283577827524 + 8144482653316 = 5855218^2 + 2853854^2 .

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, 14333802737 + ... + 14333805696.

Almost surely, 2^{42428060480840} is an apocalyptic number.

42428060480840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42428060480840 is an abundant number, since it is smaller than the sum of its proper divisors (55615160363440).

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

42428060480840 is a wasteful number, since it uses less digits than its factorization.

42428060480840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28667608481 (or 28667608477 counting only the distinct ones).

The product of its (nonzero) digits is 3145728, while the sum is 50.

The spelling of 42428060480840 in words is "forty-two trillion, four hundred twenty-eight billion, sixty million, four hundred eighty thousand, eight hundred forty".